| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 3246.00 |
| 8 | 2014 | 750.00 |
| 9 | 2013 | 539.00 |
| 10 | 2012 | 995.00 |
| 11 | 2011 | 1378.00 |
| 12 | 2010 | 260.00 |
| 13 | 2009 | 1115.00 |
| 14 | 2008 | -3575.00 |
| 15 | 2007 | 4871.00 |
| 16 | 2006 | -94.00 |
| 17 | 2005 | -4364.00 |
| 18 | 2004 | 1074.00 |
| 19 | 2003 | 1880.00 |
| 20 | 2002 | 873.00 |
| 21 | 2001 | 8841.00 |
| 22 | 2000 | 15504.00 |
| 23 | 1999 | 41483.00 |
| 24 | 1998 | 77456.00 |
| 25 | 1997 | 6315.00 |
| 26 | 1995 | 16340.00 |
| 27 | 1990 | 8491.00 |
| 28 | 1985 | 208.00 |
