| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 751.00 |
| 8 | 2011 | 1708.00 |
| 9 | 2010 | 1950.00 |
| 10 | 2008 | 3933.00 |
| 11 | 2007 | 12837.00 |
| 12 | 2006 | 6973.00 |
| 13 | 1998 | 2887.00 |
| 14 | 1997 | 8786.00 |
| 15 | 1996 | 7126.00 |
| 16 | 1995 | 9600.00 |
| 17 | 1994 | 3119.00 |
| 18 | 1993 | 987.00 |
| 19 | 1992 | 733.00 |
| 20 | 1991 | 448.00 |
| 21 | 1990 | 155.00 |
