| 序号 | 时间 (月) |
数据 (美元/吨) |
|---|---|---|
| 1 | 2019-06 | |
| 2 | 2019-03 | |
| 3 | 2018-11 | |
| 4 | 2018-10 | |
| 5 | 2018-07 | |
| 6 | 2018-06 | |
| 7 | 2018-05 | |
| 8 | 2018-03 | |
| 9 | 2018-02 | |
| 10 | 2018-01 | |
| 11 | 2017-10 | |
| 12 | 2017-04 | |
| 13 | 2016-08 | |
| 14 | 2016-06 | 3800.00 |
| 15 | 2016-05 | 4948.50 |
| 16 | 2016-03 | 3800.00 |
| 17 | 2016-01 | 5163.87 |
| 18 | 2015-10 | 16485.14 |
| 19 | 2015-09 | 3800.00 |
| 20 | 2015-08 | 3800.00 |
| 21 | 2015-07 | 4114.90 |
| 22 | 2015-06 | 3800.00 |
| 23 | 2015-05 | 4388.47 |
| 24 | 2015-04 | 3800.00 |
| 25 | 2015-03 | 3940.25 |
| 26 | 2015-02 | 4377.57 |
