Chart description: Glencore sold more Nickel than any other metal or ore. The least sold were gold and zinc metal and concentrates, although it is difficult to compare as some are in metric ounces and some in metric tonnes. I cannot see the zinc metal units of measurement.

Chart data: metal and mineral products 2019 Copper metal and concentrates (in million metric tons)  4.1; metal and mineral products: Copper metal and concentrates (in million metric tons)* Zinc metal and concentrates (in million metric tons)  3.1; metal and mineral products: Zinc metal and concentrates (in million metric tons)* Lead metal and concentrates (in million metric tons)  1.1; metal and mineral products: Lead metal and concentrates (in million metric tons)* Gold (in million ounces  2.1; metal and mineral products: Gold (in million ounces) Silver (in million ounces  68.3; metal and mineral products: Silver (in million ounces) Nickel (in thousand metric tons  181; metal and mineral products: Nickel (in thousand metric tons) Ferroalloys incl. agency (in million metric tons  9.5; metal and mineral products: Ferroalloys incl. agency (in million metric tons) Alumina/aluminium (in million metric tons  11; metal and mineral products: Alumina/aluminium (in million metric tons) Iron ore (in million metric tons  65.5; metal and mineral products: Iron ore (in million metric tons)

Vega-Lite specification:
{"config": {"background": "#FFFFFF", "title": {"anchor": "start", "fontSize": 18, "font": "Lato"}, "axisX": {"domain": true, "domainColor": "#000000", "domainWidth": 1, "grid": false, "labelFontSize": 12, "labelFont": "Lato", "tickColor": "#000000", "tickSize": 5, "titleFontSize": 12, "titlePadding": 10, "titleFont": "Lato"}, "axisY": {"domain": false, "domainWidth": 1, "grid": true, "gridColor": "#DEDDDD", "gridWidth": 1, "labelFontSize": 12, "labelFont": "Lato", "labelPadding": 8, "ticks": false, "titleFontSize": 12, "titlePadding": 10, "titleFont": "Lato", "titleAngle": 0, "titleY": -10, "titleX": 18}, "legend": {"labelFontSize": 12, "labelFont": "Lato", "symbolSize": 100, "titleFontSize": 12, "titlePadding": 10, "titleFont": "Lato", "orient": "right", "offset": 10}, "view": {"stroke": "transparent"}, "range": {"category": ["#1696d2", "#ec008b", "#fdbf11", "#000000", "#d2d2d2", "#55b748"], "diverging": ["#ca5800", "#fdbf11", "#fdd870", "#fff2cf", "#cfe8f3", "#73bfe2", "#1696d2", "#0a4c6a"], "heatmap": ["#ca5800", "#fdbf11", "#fdd870", "#fff2cf", "#cfe8f3", "#73bfe2", "#1696d2", "#0a4c6a"], "ordinal": ["#cfe8f3", "#a2d4ec", "#73bfe2", "#46abdb", "#1696d2", "#12719e"], "ramp": ["#CFE8F3", "#A2D4EC", "#73BFE2", "#46ABDB", "#1696D2", "#12719E", "#0A4C6A", "#062635"]}, "area": {"fill": "#1696d2"}, "rect": {"fill": "#1696d2"}, "line": {"color": "#1696d2", "stroke": "#1696d2", "strokeWidth": 5}, "trail": {"color": "#1696d2", "stroke": "#1696d2", "strokeWidth": 0, "size": 1}, "point": {"color": "#1696d2", "size": 30}, "text": {"font": "Lato", "color": "#1696d2", "fontSize": 11, "align": "center", "fontWeight": 400, "size": 11}, "style": {"bar": {"fill": "#1696d2", "stroke": null}}}, "data": {"url": "multiColumn/data/4412.tsv"}, "mark": "bar", "encoding": {"color": {"value": "#fdbf11"}, "x": {"type": "nominal", "axis": {"labelAngle": -60}, "bin": false, "field": "metal and mineral products"}, "y": {"type": "quantitative", "axis": {"title": "2019"}, "field": "2019"}}, "title": ["Glencore 's sales of metals and minerals", "from 2014 to 2019"], "$schema": "https://vega.github.io/schema/vega-lite/v4.8.1.json"}