| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | |
| 7 | 2011 | 2098.00 |
| 8 | 2010 | 520.00 |
| 9 | 2008 | 365.00 |
| 10 | 2007 | 410.00 |
| 11 | 2006 | 1096.00 |
| 12 | 2005 | 323.00 |
| 13 | 2004 | 284.00 |
| 14 | 2003 | 230.00 |
| 15 | 2002 | 175.00 |
| 16 | 2001 | 36.00 |
| 17 | 2000 | 306.00 |
| 18 | 1999 | 23.00 |
| 19 | 1997 | 76.00 |
| 20 | 1996 | 207.00 |
| 21 | 1995 | 203.00 |
| 22 | 1994 | 180.00 |
| 23 | 1993 | 1016.00 |
| 24 | 1992 | 1307.00 |
