昨年を通じての 一次産品の価格変化

Price change over past year.

Crude oil: +40%
Natural gas: -10%
Gold: +3.5%
Silver: -2%
Wheat: +21%
Cotton: +15%
Rice: +13%
Palm oil: -14%
Rubber: -43%
Coffee: -8%
Wool: +27%
Sugar: -23%
Beef: -5%
Copper: +20%
Steel: +10%
Iron: +5%
Coal: +39%

— The Spectator Index (@spectatorindex) 2018年5月22日