| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 5625 | 54 |
| 2015 | 5901 | 64 |
| 2014 | 6551 | 58 |
| 2013 | 6539 | 60 |
| 2012 | 6281 | 62 |
| 2011 | 5860 | 63 |
| 2010 | 5496 | 70 |
| 2009 | 5215 | 64 |
| 2008 | 5498 | 65 |
| 2007 | 4975 | 66 |
| 2006 | 4347 | 66 |
| 2005 | 3867 | 67 |
| 2004 | 3448 | 68 |
| 2003 | 3064 | 70 |
| 2002 | 2836 | 71 |
| 2001 | 2606 | 68 |
| 2000 | 2374 | 70 |
| 1999 | 2206 | 68 |
| 1998 | 2264 | 67 |
| 1997 | 2338 | 63 |
| 1996 | 2226 | 64 |
| 1995 | 2334 | 63 |
| 1994 | 2402 | 58 |
| 1993 | 2370 | 57 |
| 1992 | 2339 | 54 |
| 1991 | 2413 | 54 |
| 1990 | 2535 | 54 |