| 序号 | 时间 (月) |
数据 (美元/吨) |
|---|---|---|
| 1 | 2019-08 | |
| 2 | 2019-07 | |
| 3 | 2019-05 | |
| 4 | 2019-04 | |
| 5 | 2018-09 | |
| 6 | 2018-08 | |
| 7 | 2018-07 | 20800.00 |
| 8 | 2018-06 | 19348.98 |
| 9 | 2018-05 | 20800.00 |
| 10 | 2018-03 | 29271.43 |
| 11 | 2018-02 | 21700.00 |
| 12 | 2018-01 | 20800.00 |
| 13 | 2017-09 | 9600.00 |
| 14 | 2017-05 | 20800.00 |
| 15 | 2017-04 | 20800.00 |
| 16 | 2017-03 | 20800.00 |
| 17 | 2017-02 | 20800.00 |
| 18 | 2016-12 | 23243.35 |
| 19 | 2016-10 | 15200.00 |
| 20 | 2016-09 | 20800.00 |
| 21 | 2016-08 | 22013.22 |
| 22 | 2016-07 | 20800.00 |
| 23 | 2016-06 | 31000.00 |
| 24 | 2016-05 | 18100.00 |
| 25 | 2016-04 | 20320.84 |
| 26 | 2016-03 | 20500.00 |
| 27 | 2016-02 | 20800.00 |
| 28 | 2016-01 | 20800.00 |
| 29 | 2015-12 | 20800.00 |
| 30 | 2015-10 | 20800.00 |
| 31 | 2015-07 | 9851.89 |
| 32 | 2015-06 | 24875.00 |
| 33 | 2015-05 | 9109.71 |
| 34 | 2015-04 | 9107.17 |
| 35 | 2015-03 | 9087.00 |
