| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 4140 | 100 |
| 2015 | 4738 | 103 |
| 2014 | 5421 | 102 |
| 2013 | 5488 | 105 |
| 2012 | 5749 | 103 |
| 2011 | 5601 | 106 |
| 2010 | 5192 | 102 |
| 2009 | 4153 | 109 |
| 2008 | 4029 | 115 |
| 2007 | 4203 | 105 |
| 2006 | 3881 | 102 |
| 2005 | 3573 | 101 |
| 2004 | 3288 | 100 |
| 2003 | 2482 | 103 |
| 2002 | 1713 | 116 |
| 2001 | 1834 | 106 |
| 2000 | 2058 | 100 |
| 1999 | 2055 | 99 |
| 1998 | 2113 | 96 |
| 1997 | 2332 | 95 |
| 1996 | 2312 | 93 |
| 1995 | 2382 | 89 |
| 1994 | 2263 | 83 |
| 1993 | 2063 | 83 |
| 1992 | 2278 | 79 |
| 1991 | 2055 | 82 |
| 1990 | 1982 | 85 |
| 1989 | 1873 | 79 |
| 1988 | 1924 | 77 |
| 1987 | 1854 | 72 |
| 1986 | 1522 | 78 |