| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2013 | |
| 3 | 2011 | |
| 4 | 2010 | |
| 5 | 2008 | |
| 6 | 2007 | |
| 7 | 2006 | 107.00 |
| 8 | 2005 | 376.00 |
| 9 | 2004 | 326.00 |
| 10 | 2003 | 600.00 |
| 11 | 2001 | 586.00 |
| 12 | 2000 | 708.00 |
| 13 | 1999 | 486.00 |
| 14 | 1998 | 1785.00 |
| 15 | 1996 | 13.00 |
| 16 | 1994 | 38.00 |
| 17 | 1993 | 67.00 |
| 18 | 1992 | 95.00 |
