| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 1135.00 |
| 8 | 2011 | 2062.00 |
| 9 | 2010 | 1504.00 |
| 10 | 2008 | 1510.00 |
| 11 | 2007 | 2540.00 |
| 12 | 2006 | 607.00 |
| 13 | 2005 | 427.00 |
| 14 | 2004 | 1973.00 |
| 15 | 2003 | 1801.00 |
| 16 | 2002 | 1636.00 |
| 17 | 2001 | 817.00 |
| 18 | 2000 | 1959.00 |
| 19 | 1999 | 606.00 |
| 20 | 1998 | 230.00 |
| 21 | 1997 | 257.00 |
| 22 | 1996 | 7782.00 |
| 23 | 1995 | 3380.00 |
| 24 | 1993 | 1065.00 |
| 25 | 1992 | 424.00 |
| 26 | 1991 | 14.00 |
| 27 | 1990 | 9.00 |
