| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 12000.00 |
| 8 | 2011 | 5952.00 |
| 9 | 2010 | 2923.00 |
| 10 | 2008 | 651.00 |
| 11 | 2007 | 298.00 |
| 12 | 2006 | 147.00 |
| 13 | 2005 | 1507.00 |
| 14 | 2004 | 1012.00 |
| 15 | 2002 | 837.00 |
| 16 | 2001 | 542.00 |
| 17 | 2000 | 90.00 |
| 18 | 1999 | 347.00 |
| 19 | 1998 | 36.00 |
| 20 | 1991 | 15.00 |
