| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 9503 | 61 |
| 2015 | 9644 | 67 |
| 2014 | 11184 | 70 |
| 2013 | 10882 | 75 |
| 2012 | 10779 | 73 |
| 2011 | 10405 | 75 |
| 2010 | 9071 | 75 |
| 2009 | 7327 | 83 |
| 2008 | 8514 | 81 |
| 2007 | 7269 | 80 |
| 2006 | 6223 | 80 |
| 2005 | 5594 | 77 |
| 2004 | 4955 | 80 |
| 2003 | 4464 | 79 |
| 2002 | 4167 | 74 |
| 2001 | 3915 | 78 |
| 2000 | 4045 | 79 |
| 1999 | 3493 | 82 |
| 1998 | 3264 | 83 |
| 1997 | 4637 | 67 |
| 1996 | 4797 | 66 |
| 1995 | 4328 | 67 |
| 1994 | 3726 | 64 |
| 1993 | 3431 | 63 |
| 1992 | 3112 | 66 |
| 1991 | 2652 | 73 |
| 1990 | 2441 | 73 |
| 1989 | 2215 | 70 |
| 1988 | 2071 | 70 |
| 1987 | 1947 | 71 |
| 1986 | 1729 | 72 |