| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 6675.00 |
| 8 | 2014 | 1750.00 |
| 9 | 2013 | -546.00 |
| 10 | 2012 | 2780.00 |
| 11 | 2011 | 9919.00 |
| 12 | 2010 | 5728.00 |
| 13 | 2009 | 1844.00 |
| 14 | 2008 | 9963.00 |
| 15 | 2007 | 9143.00 |
| 16 | 2006 | 1744.00 |
| 17 | 2005 | 7559.00 |
| 18 | 2004 | 3262.00 |
| 19 | 2003 | 1353.00 |
| 20 | 2002 | 5851.00 |
| 21 | 2001 | 1344.00 |
| 22 | 2000 | 4643.00 |
| 23 | 1999 | 5921.00 |
| 24 | 1998 | 3499.00 |
| 25 | 1997 | 4982.00 |
| 26 | 1995 | 48489.00 |
| 27 | 1990 | 46.00 |
