| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 28221.00 |
| 8 | 2014 | 2096.00 |
| 9 | 2013 | 5609.00 |
| 10 | 2012 | 12727.00 |
| 11 | 2011 | 5778.00 |
| 12 | 2010 | 1288.00 |
| 13 | 2009 | -30487.00 |
| 14 | 2008 | 6607.00 |
| 15 | 2007 | 18834.00 |
| 16 | 2006 | 23215.00 |
| 17 | 2005 | 25534.00 |
| 18 | 2004 | 24806.00 |
| 19 | 2003 | 22978.00 |
| 20 | 2002 | 55875.00 |
| 21 | 2001 | 22068.00 |
| 22 | 2000 | 21012.00 |
| 23 | 1999 | 55859.00 |
| 24 | 1998 | 31566.00 |
| 25 | 1997 | 60088.00 |
| 26 | 1995 | 23543.00 |
| 27 | 1990 | 2056.00 |
| 28 | 1985 | 867.00 |
