| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | |
| 8 | 2012 | |
| 9 | 2011 | |
| 10 | 2010 | |
| 11 | 2009 | 5018.00 |
| 12 | 2008 | 8894.00 |
| 13 | 2007 | 7160.00 |
| 14 | 2006 | 5723.00 |
| 15 | 2005 | 2387.00 |
| 16 | 2004 | 1973.00 |
| 17 | 2003 | 3002.00 |
| 18 | 2002 | 2223.00 |
| 19 | 2001 | 1810.00 |
| 20 | 2000 | 3629.00 |
| 21 | 1999 | 4340.00 |
| 22 | 1998 | 5440.00 |
| 23 | 1997 | 2161.00 |
| 24 | 1996 | 10617.00 |
| 25 | 1995 | 21977.00 |
| 26 | 1994 | 30125.00 |
| 27 | 1993 | 51367.00 |
| 28 | 1992 | 9818.00 |
| 29 | 1991 | 412.00 |
| 30 | 1990 | 932.00 |
