diff --git a/data/agriculture/FAOSTAT_livestock_product_produced/viz/cattle.json b/data/agriculture/FAOSTAT_livestock_product_produced/viz/cattle.json
new file mode 100644
index 0000000..196763a
--- /dev/null
+++ b/data/agriculture/FAOSTAT_livestock_product_produced/viz/cattle.json
@@ -0,0 +1 @@
+{"config": {"view": {"continuousWidth": 400, "continuousHeight": 300}}, "layer": [{"mark": {"type": "line", "color": "dodgerblue"}, "encoding": {"tooltip": [{"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, {"type": "quantitative", "field": "mass_produced_Mt", "format": "0.0f", "title": "produced mass [Mt]"}], "x": {"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, "y": {"type": "quantitative", "field": "mass_produced_Mt", "title": "produced mass [Mt]"}}, "height": 300, "width": "container"}, {"mark": {"type": "point", "color": "dodgerblue", "filled": true}, "encoding": {"tooltip": [{"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, {"type": "quantitative", "field": "mass_produced_Mt", "format": "0.0f", "title": "produced mass [Mt]"}], "x": {"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, "y": {"type": "quantitative", "field": "mass_produced_Mt", "title": "produced mass [Mt]"}}, "height": 300, "width": "container"}], "data": {"name": "data-0822170db8d9cff8c4d110bc643d45f5"}, "$schema": "https://vega.github.io/schema/vega-lite/v4.8.1.json", "datasets": {"data-0822170db8d9cff8c4d110bc643d45f5": [{"year": "1961-01-01T00:00:00", "mass_produced_Mt": 341.311179, "producing_population_Mhd": 350.290849}, {"year": "1962-01-01T00:00:00", "mass_produced_Mt": 345.247013, "producing_population_Mhd": 360.87826299999995}, {"year": "1963-01-01T00:00:00", "mass_produced_Mt": 343.680106, "producing_population_Mhd": 371.002169}, {"year": "1964-01-01T00:00:00", "mass_produced_Mt": 348.892377, "producing_population_Mhd": 367.711227}, {"year": "1965-01-01T00:00:00", "mass_produced_Mt": 364.372204, "producing_population_Mhd": 368.41276100000005}, {"year": "1966-01-01T00:00:00", "mass_produced_Mt": 374.459635, "producing_population_Mhd": 380.922369}, {"year": "1967-01-01T00:00:00", "mass_produced_Mt": 385.475758, "producing_population_Mhd": 388.310934}, {"year": "1968-01-01T00:00:00", "mass_produced_Mt": 394.511114, "producing_population_Mhd": 397.21565499999997}, {"year": "1969-01-01T00:00:00", "mass_produced_Mt": 396.206576, "producing_population_Mhd": 398.89259}, {"year": "1970-01-01T00:00:00", "mass_produced_Mt": 397.6303, "producing_population_Mhd": 395.307612}, {"year": "1971-01-01T00:00:00", "mass_produced_Mt": 399.356228, "producing_population_Mhd": 391.157775}, {"year": "1972-01-01T00:00:00", "mass_produced_Mt": 409.624431, "producing_population_Mhd": 393.636974}, {"year": "1973-01-01T00:00:00", "mass_produced_Mt": 416.34643100000005, "producing_population_Mhd": 392.300388}, {"year": "1974-01-01T00:00:00", "mass_produced_Mt": 426.41192900000004, "producing_population_Mhd": 408.59443999999996}, {"year": "1975-01-01T00:00:00", "mass_produced_Mt": 431.46215199999995, "producing_population_Mhd": 427.811061}, {"year": "1976-01-01T00:00:00", "mass_produced_Mt": 441.01842999999997, "producing_population_Mhd": 440.654472}, {"year": "1977-01-01T00:00:00", "mass_produced_Mt": 452.69572, "producing_population_Mhd": 444.464856}, {"year": "1978-01-01T00:00:00", "mass_produced_Mt": 458.675229, "producing_population_Mhd": 448.366449}, {"year": "1979-01-01T00:00:00", "mass_produced_Mt": 462.87301199999996, "producing_population_Mhd": 444.260586}, {"year": "1980-01-01T00:00:00", "mass_produced_Mt": 467.91794799999997, "producing_population_Mhd": 445.217577}, {"year": "1981-01-01T00:00:00", "mass_produced_Mt": 469.9345159999999, "producing_population_Mhd": 449.224092}, {"year": "1982-01-01T00:00:00", "mass_produced_Mt": 480.43157199999996, "producing_population_Mhd": 451.72531999999995}, {"year": "1983-01-01T00:00:00", "mass_produced_Mt": 496.901572, "producing_population_Mhd": 456.220732}, {"year": "1984-01-01T00:00:00", "mass_produced_Mt": 501.67355399999997, "producing_population_Mhd": 462.68863}, {"year": "1985-01-01T00:00:00", "mass_produced_Mt": 508.110279, "producing_population_Mhd": 463.761349}, {"year": "1986-01-01T00:00:00", "mass_produced_Mt": 517.6547509999999, "producing_population_Mhd": 474.10157100000004}, {"year": "1987-01-01T00:00:00", "mass_produced_Mt": 516.716994, "producing_population_Mhd": 471.08079799999996}, {"year": "1988-01-01T00:00:00", "mass_produced_Mt": 522.719514, "producing_population_Mhd": 469.947585}, {"year": "1989-01-01T00:00:00", "mass_produced_Mt": 528.32105, "producing_population_Mhd": 471.977509}, {"year": "1990-01-01T00:00:00", "mass_produced_Mt": 531.5693, "producing_population_Mhd": 477.374786}, {"year": "1991-01-01T00:00:00", "mass_produced_Mt": 522.586353, "producing_population_Mhd": 478.90857800000003}, {"year": "1992-01-01T00:00:00", "mass_produced_Mt": 512.285992, "producing_population_Mhd": 475.131305}, {"year": "1993-01-01T00:00:00", "mass_produced_Mt": 511.348834, "producing_population_Mhd": 474.531477}, {"year": "1994-01-01T00:00:00", "mass_produced_Mt": 512.678822, "producing_population_Mhd": 480.159511}, {"year": "1995-01-01T00:00:00", "mass_produced_Mt": 515.987398, "producing_population_Mhd": 481.68761900000004}, {"year": "1996-01-01T00:00:00", "mass_produced_Mt": 520.811228, "producing_population_Mhd": 481.41803799999997}, {"year": "1997-01-01T00:00:00", "mass_produced_Mt": 523.2335099999999, "producing_population_Mhd": 487.809429}, {"year": "1998-01-01T00:00:00", "mass_produced_Mt": 528.7479159999999, "producing_population_Mhd": 488.92741199999995}, {"year": "1999-01-01T00:00:00", "mass_produced_Mt": 538.6237580000001, "producing_population_Mhd": 491.47113800000005}, {"year": "2000-01-01T00:00:00", "mass_produced_Mt": 545.71037, "producing_population_Mhd": 490.44877900000006}, {"year": "2001-01-01T00:00:00", "mass_produced_Mt": 552.0787919999999, "producing_population_Mhd": 488.130624}, {"year": "2002-01-01T00:00:00", "mass_produced_Mt": 565.874606, "producing_population_Mhd": 496.05065999999994}, {"year": "2003-01-01T00:00:00", "mass_produced_Mt": 575.6669199999999, "producing_population_Mhd": 507.65876}, {"year": "2004-01-01T00:00:00", "mass_produced_Mt": 586.2608749999999, "producing_population_Mhd": 515.537244}, {"year": "2005-01-01T00:00:00", "mass_produced_Mt": 604.1763970000001, "producing_population_Mhd": 520.60234}, {"year": "2006-01-01T00:00:00", "mass_produced_Mt": 621.696284, "producing_population_Mhd": 530.706088}, {"year": "2007-01-01T00:00:00", "mass_produced_Mt": 635.875848, "producing_population_Mhd": 542.9814690000001}, {"year": "2008-01-01T00:00:00", "mass_produced_Mt": 648.46917, "producing_population_Mhd": 545.48617}, {"year": "2009-01-01T00:00:00", "mass_produced_Mt": 653.041802, "producing_population_Mhd": 550.973613}, {"year": "2010-01-01T00:00:00", "mass_produced_Mt": 664.5227160000001, "producing_population_Mhd": 552.7900480000001}, {"year": "2011-01-01T00:00:00", "mass_produced_Mt": 678.551439, "producing_population_Mhd": 554.2767670000001}, {"year": "2012-01-01T00:00:00", "mass_produced_Mt": 693.183761, "producing_population_Mhd": 561.3067430000001}, {"year": "2013-01-01T00:00:00", "mass_produced_Mt": 699.348216, "producing_population_Mhd": 567.238613}, {"year": "2014-01-01T00:00:00", "mass_produced_Mt": 719.716897, "producing_population_Mhd": 569.534975}, {"year": "2015-01-01T00:00:00", "mass_produced_Mt": 725.3541690000001, "producing_population_Mhd": 569.438225}, {"year": "2016-01-01T00:00:00", "mass_produced_Mt": 730.16454, "producing_population_Mhd": 571.037821}, {"year": "2017-01-01T00:00:00", "mass_produced_Mt": 743.086239, "producing_population_Mhd": 573.114669}, {"year": "2018-01-01T00:00:00", "mass_produced_Mt": 750.5709549999999, "producing_population_Mhd": 567.2275999999999}]}}
\ No newline at end of file
diff --git a/data/agriculture/FAOSTAT_livestock_product_produced/viz/generate.py b/data/agriculture/FAOSTAT_livestock_product_produced/viz/generate.py
index 8b9527e..f664411 100644
--- a/data/agriculture/FAOSTAT_livestock_product_produced/viz/generate.py
+++ b/data/agriculture/FAOSTAT_livestock_product_produced/viz/generate.py
@@ -7,6 +7,8 @@
 # Load the produciton data. 
 data = pd.read_csv('../processed/FAOSTAT_livestock_and_product.csv')
 data['year'] = pd.to_datetime(data['year'], format='%Y')
+
+# Generate JSON vis for subcategories
 for g, d in data.groupby('subcategory'):
     chart= alt.Chart(d).encode(
                         x=alt.X(field="year", type="temporal", timeUnit='year',
@@ -15,7 +17,7 @@
                                 type="quantitative",
                                 title="produced mass [Mt]"),
                        tooltip=[alt.Tooltip("year:T", timeUnit="year", title="year"),
-                                alt.Tooltip("mass_produced_Mt:Q", format="0.0f", title="mass [Mt]")]
+                                alt.Tooltip("mass_produced_Mt:Q", format="0.0f", title="produced mass [Mt]")]
                       ).properties(width="container", 
                                     height=300
                       ).mark_line(color='dodgerblue')
@@ -23,7 +25,28 @@
     p = chart.mark_point(filled=True, color='dodgerblue')
     figure = alt.layer(l, p)
     figure.save(f'{g}.json')
+
+
 # %%
+# Generate JSON vis for grand categories
+# Generate JSON vis for subcategories
+for g, d in data.groupby('category'):
+    chart= alt.Chart(d).encode(
+                        x=alt.X(field="year", type="temporal", timeUnit='year',
+                                title="year"),
+                        y=alt.Y(field="mass_produced_Mt", 
+                                type="quantitative",
+                                title="produced mass [Mt]"),
+                       tooltip=[alt.Tooltip("year:T", timeUnit="year", title="year"),
+                                alt.Tooltip("mass_produced_Mt:Q", format="0.0f", title="produced mass [Mt]")]
+                      ).properties(width="container", 
+                                    height=300
+                      ).mark_line(color='dodgerblue')
+    l = chart.mark_line(color='dodgerblue')
+    p = chart.mark_point(filled=True, color='dodgerblue')
+    figure = alt.layer(l, p)
+    figure.save(f'{g}.json')
+
+
 
-chart
 # %%
\ No newline at end of file
diff --git a/data/agriculture/FAOSTAT_livestock_product_produced/viz/poultry.json b/data/agriculture/FAOSTAT_livestock_product_produced/viz/poultry.json
new file mode 100644
index 0000000..875d366
--- /dev/null
+++ b/data/agriculture/FAOSTAT_livestock_product_produced/viz/poultry.json
@@ -0,0 +1 @@
+{"config": {"view": {"continuousWidth": 400, "continuousHeight": 300}}, "layer": [{"mark": {"type": "line", "color": "dodgerblue"}, "encoding": {"tooltip": [{"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, {"type": "quantitative", "field": "mass_produced_Mt", "format": "0.0f", "title": "produced mass [Mt]"}], "x": {"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, "y": {"type": "quantitative", "field": "mass_produced_Mt", "title": "produced mass [Mt]"}}, "height": 300, "width": "container"}, {"mark": {"type": "point", "color": "dodgerblue", "filled": true}, "encoding": {"tooltip": [{"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, {"type": "quantitative", "field": "mass_produced_Mt", "format": "0.0f", "title": "produced mass [Mt]"}], "x": {"type": "temporal", "field": "year", "timeUnit": "year", "title": "year"}, "y": {"type": "quantitative", "field": "mass_produced_Mt", "title": "produced mass [Mt]"}}, "height": 300, "width": "container"}], "data": {"name": "data-79ecdbafd06d401be50061ad398d8562"}, "$schema": "https://vega.github.io/schema/vega-lite/v4.8.1.json", "datasets": {"data-79ecdbafd06d401be50061ad398d8562": [{"year": "1961-01-01T00:00:00", "mass_produced_Mt": 21.01293335, "producing_population_Mhd": 8471.151000000002}, {"year": "1962-01-01T00:00:00", "mass_produced_Mt": 21.673835699999998, "producing_population_Mhd": 8801.105}, {"year": "1963-01-01T00:00:00", "mass_produced_Mt": 22.363326100000002, "producing_population_Mhd": 9165.258}, {"year": "1964-01-01T00:00:00", "mass_produced_Mt": 23.28128565, "producing_population_Mhd": 9486.944}, {"year": "1965-01-01T00:00:00", "mass_produced_Mt": 24.431826049999998, "producing_population_Mhd": 10181.152}, {"year": "1966-01-01T00:00:00", "mass_produced_Mt": 25.41343555, "producing_population_Mhd": 10420.706}, {"year": "1967-01-01T00:00:00", "mass_produced_Mt": 26.714941999999997, "producing_population_Mhd": 11392.339}, {"year": "1968-01-01T00:00:00", "mass_produced_Mt": 27.61161725, "producing_population_Mhd": 11769.288}, {"year": "1969-01-01T00:00:00", "mass_produced_Mt": 29.1367459, "producing_population_Mhd": 12533.823}, {"year": "1970-01-01T00:00:00", "mass_produced_Mt": 31.1115834, "producing_population_Mhd": 13504.588}, {"year": "1971-01-01T00:00:00", "mass_produced_Mt": 32.17689085, "producing_population_Mhd": 13947.671}, {"year": "1972-01-01T00:00:00", "mass_produced_Mt": 33.7106135, "producing_population_Mhd": 14752.605000000001}, {"year": "1973-01-01T00:00:00", "mass_produced_Mt": 34.53990365, "producing_population_Mhd": 15381.829}, {"year": "1974-01-01T00:00:00", "mass_produced_Mt": 35.61536785, "producing_population_Mhd": 15923.006}, {"year": "1975-01-01T00:00:00", "mass_produced_Mt": 36.71096, "producing_population_Mhd": 16157.88}, {"year": "1976-01-01T00:00:00", "mass_produced_Mt": 38.20664445, "producing_population_Mhd": 17130.237999999998}, {"year": "1977-01-01T00:00:00", "mass_produced_Mt": 40.287682, "producing_population_Mhd": 18092.96}, {"year": "1978-01-01T00:00:00", "mass_produced_Mt": 42.55482645, "producing_population_Mhd": 19055.834}, {"year": "1979-01-01T00:00:00", "mass_produced_Mt": 44.8204461, "producing_population_Mhd": 20355.718}, {"year": "1980-01-01T00:00:00", "mass_produced_Mt": 46.71093195, "producing_population_Mhd": 21315.855000000003}, {"year": "1981-01-01T00:00:00", "mass_produced_Mt": 48.69175975, "producing_population_Mhd": 22271.083}, {"year": "1982-01-01T00:00:00", "mass_produced_Mt": 50.25713135, "producing_population_Mhd": 22993.637}, {"year": "1983-01-01T00:00:00", "mass_produced_Mt": 51.25493565, "producing_population_Mhd": 23508.900999999998}, {"year": "1984-01-01T00:00:00", "mass_produced_Mt": 53.045190000000005, "producing_population_Mhd": 23992.186999999998}, {"year": "1985-01-01T00:00:00", "mass_produced_Mt": 55.71699755, "producing_population_Mhd": 25031.263}, {"year": "1986-01-01T00:00:00", "mass_produced_Mt": 58.5353723, "producing_population_Mhd": 26194.292}, {"year": "1987-01-01T00:00:00", "mass_produced_Mt": 61.492655049999996, "producing_population_Mhd": 27952.767}, {"year": "1988-01-01T00:00:00", "mass_produced_Mt": 64.1769474, "producing_population_Mhd": 28948.969}, {"year": "1989-01-01T00:00:00", "mass_produced_Mt": 65.01510925, "producing_population_Mhd": 29360.765}, {"year": "1990-01-01T00:00:00", "mass_produced_Mt": 67.8111119, "producing_population_Mhd": 30789.222999999998}, {"year": "1991-01-01T00:00:00", "mass_produced_Mt": 71.9332476, "producing_population_Mhd": 31902.592}, {"year": "1992-01-01T00:00:00", "mass_produced_Mt": 74.06345544999999, "producing_population_Mhd": 33023.841}, {"year": "1993-01-01T00:00:00", "mass_produced_Mt": 77.7834549, "producing_population_Mhd": 34558.695}, {"year": "1994-01-01T00:00:00", "mass_produced_Mt": 83.04083220000001, "producing_population_Mhd": 36144.761}, {"year": "1995-01-01T00:00:00", "mass_produced_Mt": 87.41902725, "producing_population_Mhd": 38295.326}, {"year": "1996-01-01T00:00:00", "mass_produced_Mt": 91.2528844, "producing_population_Mhd": 39357.325}, {"year": "1997-01-01T00:00:00", "mass_produced_Mt": 95.4928283, "producing_population_Mhd": 40864.114}, {"year": "1998-01-01T00:00:00", "mass_produced_Mt": 99.0907559, "producing_population_Mhd": 41724.052}, {"year": "1999-01-01T00:00:00", "mass_produced_Mt": 103.34196435, "producing_population_Mhd": 43738.179000000004}, {"year": "2000-01-01T00:00:00", "mass_produced_Mt": 106.4915996, "producing_population_Mhd": 45528.045}, {"year": "2001-01-01T00:00:00", "mass_produced_Mt": 109.83998915, "producing_population_Mhd": 47109.903999999995}, {"year": "2002-01-01T00:00:00", "mass_produced_Mt": 114.39811094999999, "producing_population_Mhd": 48933.142}, {"year": "2003-01-01T00:00:00", "mass_produced_Mt": 116.8090124, "producing_population_Mhd": 49725.422000000006}, {"year": "2004-01-01T00:00:00", "mass_produced_Mt": 120.4488002, "producing_population_Mhd": 50835.348}, {"year": "2005-01-01T00:00:00", "mass_produced_Mt": 123.94457670000003, "producing_population_Mhd": 53184.623999999996}, {"year": "2006-01-01T00:00:00", "mass_produced_Mt": 127.12675565, "producing_population_Mhd": 54178.087}, {"year": "2007-01-01T00:00:00", "mass_produced_Mt": 133.03514180000002, "producing_population_Mhd": 57245.303}, {"year": "2008-01-01T00:00:00", "mass_produced_Mt": 138.9050639, "producing_population_Mhd": 59825.683000000005}, {"year": "2009-01-01T00:00:00", "mass_produced_Mt": 142.19310805, "producing_population_Mhd": 61742.67999999999}, {"year": "2010-01-01T00:00:00", "mass_produced_Mt": 147.4989114, "producing_population_Mhd": 63164.19899999999}, {"year": "2011-01-01T00:00:00", "mass_produced_Mt": 152.33802930000002, "producing_population_Mhd": 64876.891}, {"year": "2012-01-01T00:00:00", "mass_produced_Mt": 156.91090789999998, "producing_population_Mhd": 66308.715}, {"year": "2013-01-01T00:00:00", "mass_produced_Mt": 161.88855230000001, "producing_population_Mhd": 67383.696}, {"year": "2014-01-01T00:00:00", "mass_produced_Mt": 164.13078289999999, "producing_population_Mhd": 68938.43699999999}, {"year": "2015-01-01T00:00:00", "mass_produced_Mt": 167.69765065, "producing_population_Mhd": 71037.921}, {"year": "2016-01-01T00:00:00", "mass_produced_Mt": 172.5751991, "producing_population_Mhd": 72716.511}, {"year": "2017-01-01T00:00:00", "mass_produced_Mt": 177.25646600000002, "producing_population_Mhd": 74192.362}, {"year": "2018-01-01T00:00:00", "mass_produced_Mt": 183.16861875, "producing_population_Mhd": 76251.681}]}}
\ No newline at end of file
diff --git a/data/agriculture/FAOSTAT_livestock_product_produced/viz/swine.json b/data/agriculture/FAOSTAT_livestock_product_produced/viz/swine.json
new file mode 100644
index 0000000..8fcbf51
--- /dev/null
+++ b/data/agriculture/FAOSTAT_livestock_product_produced/viz/swine.json
@@ -0,0 +1 @@
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