| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | |
| 7 | 2011 | |
| 8 | 2010 | |
| 9 | 2009 | |
| 10 | 2008 | |
| 11 | 2007 | 18257.00 |
| 12 | 2006 | 23819.00 |
| 13 | 2005 | 31688.00 |
| 14 | 2004 | 22993.00 |
| 15 | 2003 | 7225.00 |
| 16 | 2002 | 6310.00 |
| 17 | 2001 | 7688.00 |
| 18 | 2000 | 26467.00 |
| 19 | 1999 | 21332.00 |
| 20 | 1998 | 53984.00 |
| 21 | 1997 | 91166.00 |
| 22 | 1996 | 97771.00 |
| 23 | 1995 | 58924.00 |
| 24 | 1994 | 75985.00 |
| 25 | 1993 | 39112.00 |
| 26 | 1992 | 59922.00 |
| 27 | 1991 | 38711.00 |
| 28 | 1990 | 25122.00 |
| 29 | 1989 | 3517.00 |
| 30 | 1988 | 42878.00 |
| 31 | 1987 | 18547.00 |
| 32 | 1986 | 11229.00 |
| 33 | 1985 | 2098.00 |
| 34 | 1984 | 933.00 |
| 35 | 1983 | 251.00 |