| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 1770.00 |
| 8 | 2012 | 1738.00 |
| 9 | 2011 | 2211.00 |
| 10 | 2010 | 1810.00 |
| 11 | 2008 | 190.00 |
| 12 | 2007 | 67.00 |
| 13 | 2006 | 35.00 |
| 14 | 2005 | 138.00 |
| 15 | 2002 | 279.00 |
| 16 | 2001 | 38.00 |
| 17 | 2000 | 171.00 |
| 18 | 1999 | 385.00 |
| 19 | 1992 | 198.00 |
| 20 | 1991 | 11.00 |