单位:吨
时间范围:1994 - 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 | 600.00 |
7 | 2017 | 200.00 |
8 | 2016 | 200.00 |
9 | 2015 | 160.00 |
10 | 2014 | 400.00 |
11 | 2013 | 400.00 |
12 | 2012 | 150.00 |
13 | 2011 | 320.00 |
14 | 2010 | 160.00 |
15 | 2009 | 160.00 |
16 | 2008 | 160.00 |
17 | 2007 | 180.00 |
18 | 2006 | 242.00 |
19 | 2005 | 242.00 |
20 | 2004 | 242.00 |
21 | 2003 | 240.00 |
22 | 2002 | 224.00 |
23 | 2001 | 220.00 |
24 | 2000 | 30.00 |
25 | 1999 | 32.00 |
26 | 1998 | 32.00 |
27 | 1997 | 32.00 |
28 | 1996 | 32.00 |
29 | 1995 | 32.00 |
30 | 1994 | 32.00 |
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