| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2010 | |
| 3 | 2008 | |
| 4 | 2003 | |
| 5 | 2002 | |
| 6 | 2001 | |
| 7 | 2000 | |
| 8 | 1999 | |
| 9 | 1998 | |
| 10 | 1997 | |
| 11 | 1996 | 509.00 |
| 12 | 1995 | 2026.00 |
| 13 | 1994 | 3578.00 |
| 14 | 1993 | 1160.00 |
| 15 | 1992 | 328.00 |
| 16 | 1991 | 18.00 |
| 17 | 1990 | 11.00 |
