| Copper (%) | Gold (%) | PTA (%) | Soybean (%) |
---|
2020 | 12.63 | 18.51 | 11.74 | 4.01 |
2019 | 10.75 | 18.48 | 18.84 | 3.12 |
2018 | 18.46 | 6.29 | 15.96 | 5.91 |
2017 | 18.18 | 7.36 | 13.29 | 3.68 |
- The percentages for copper and gold are shares of metal futures contracts, while the PTA and soybean (Nos. 1 and 2) percentages are shares of energy and agricultural commodity futures contracts, respectively