| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2018 | |
| 2 | 2014 | |
| 3 | 2013 | |
| 4 | 2012 | |
| 5 | 2011 | |
| 6 | 2010 | |
| 7 | 2007 | 81.00 |
| 8 | 2005 | 6.00 |
| 9 | 2002 | 29.00 |
| 10 | 2001 | 100.00 |
| 11 | 1999 | 238.00 |
| 12 | 1998 | 66.00 |
| 13 | 1997 | 139.00 |
| 14 | 1996 | 106.00 |
| 15 | 1995 | 350.00 |
| 16 | 1994 | 97.00 |
| 17 | 1992 | 70.00 |
