| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 28073.37 |
| 8 | 2012 | 28898.19 |
| 9 | 2011 | 25714.00 |
| 10 | 2010 | 24198.00 |
| 11 | 2009 | 9433.39 |
| 12 | 2008 | 8296.14 |
| 13 | 2007 | 4247.13 |
| 14 | 2006 | 7323.65 |
| 15 | 2005 | 5642.85 |
| 16 | 2004 | 2136.03 |
| 17 | 2003 | 5922.72 |
| 18 | 2002 | 8773.87 |
| 19 | 2001 | 2243.31 |
| 20 | 2000 | 1301.11 |
| 21 | 1999 | 1049.34 |
| 22 | 1998 | 1955.12 |
| 23 | 1997 | 1421.55 |
| 24 | 1996 | 9928.09 |
| 25 | 1995 | 14147.61 |
| 26 | 1994 | 42456.11 |
| 27 | 1993 | 13961.88 |
| 28 | 1992 | 3549.49 |
