| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 12372 | 56 |
| 2015 | 12566 | 59 |
| 2014 | 14342 | 59 |
| 2013 | 13781 | 64 |
| 2012 | 13145 | 63 |
| 2011 | 13893 | 65 |
| 2010 | 12600 | 63 |
| 2009 | 11528 | 66 |
| 2008 | 14001 | 66 |
| 2007 | 11260 | 68 |
| 2006 | 9041 | 71 |
| 2005 | 8021 | 68 |
| 2004 | 6681 | 68 |
| 2003 | 5694 | 68 |
| 2002 | 5197 | 69 |
| 2001 | 4981 | 68 |
| 2000 | 4493 | 74 |
| 1999 | 4390 | 72 |
| 1998 | 4510 | 71 |
| 1997 | 4117 | 71 |
| 1996 | 4141 | 72 |
| 1995 | 3683 | 71 |
| 1994 | 2875 | 74 |
| 1993 | 2497 | 79 |
| 1992 | 2459 | 78 |
| 1991 | 2236 | 81 |
| 1990 | 1731 | 88 |