单位:吨
时间范围:1995 - 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 | 13100.00 |
7 | 2017 | 13100.00 |
8 | 2016 | 24500.00 |
9 | 2015 | 24500.00 |
10 | 2014 | 24000.00 |
11 | 2013 | 24000.00 |
12 | 2012 | 24000.00 |
13 | 2011 | 24000.00 |
14 | 2010 | 24000.00 |
15 | 2009 | 24000.00 |
16 | 2008 | 23100.00 |
17 | 2007 | 20200.00 |
18 | 2006 | 12300.00 |
19 | 2005 | 8940.00 |
20 | 2004 | 8940.00 |
21 | 2003 | 8940.00 |
22 | 2002 | 8940.00 |
23 | 2001 | 14800.00 |
24 | 2000 | 21600.00 |
25 | 1999 | 21600.00 |
26 | 1998 | 21600.00 |
27 | 1997 | 29800.00 |
28 | 1996 | 29500.00 |
29 | 1995 | 29500.00 |
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