单位:吨
时间范围:2000 - 2023
数据来源:美国地质调查局
| 序号 | 时间(年) | 数据(吨) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | 710.00 |
| 7 | 2017 | 370.00 |
| 8 | 2016 | 450.00 |
| 9 | 2015 | 200.00 |
| 10 | 2014 | 180.00 |
| 11 | 2013 | 170.00 |
| 12 | 2012 | 100.00 |
| 13 | 2011 | 95.00 |
| 14 | 2006 | 10.00 |
| 15 | 2005 | 25.00 |
| 16 | 2004 | 60.00 |
| 17 | 2003 | 15.00 |
| 18 | 2002 | 60.00 |
| 19 | 2001 | 60.00 |
| 20 | 2000 | 130.00 |
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