| 序号 | 时间 (月) |
数据 (美元/吨) |
|---|---|---|
| 1 | 2019-09 | |
| 2 | 2019-08 | |
| 3 | 2019-06 | |
| 4 | 2019-05 | |
| 5 | 2019-03 | |
| 6 | 2019-02 | |
| 7 | 2018-11 | |
| 8 | 2018-10 | |
| 9 | 2018-07 | |
| 10 | 2018-03 | |
| 11 | 2017-11 | |
| 12 | 2017-08 | |
| 13 | 2017-07 | |
| 14 | 2017-05 | |
| 15 | 2017-04 | 7417.17 |
| 16 | 2017-03 | 5142.50 |
| 17 | 2016-11 | 8438.89 |
| 18 | 2016-10 | 6734.20 |
| 19 | 2016-08 | 40900.00 |
| 20 | 2016-07 | 8100.00 |
| 21 | 2016-04 | 2948.00 |
| 22 | 2016-02 | 6100.00 |
| 23 | 2016-01 | 3683.75 |
| 24 | 2015-12 | 23000.00 |
| 25 | 2015-11 | 10721.97 |
| 26 | 2015-10 | 2960.00 |
| 27 | 2015-09 | 13097.96 |
| 28 | 2015-06 | 9582.73 |
| 29 | 2015-05 | 9275.00 |
