| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 5087 | 55 |
| 2015 | 4947 | 70 |
| 2014 | 4704 | 70 |
| 2013 | 4552 | 74 |
| 2012 | 4641 | 72 |
| 2011 | 4480 | 73 |
| 2010 | 4366 | 79 |
| 2009 | 4278 | 69 |
| 2008 | 4452 | 69 |
| 2007 | 4277 | 70 |
| 2006 | 3770 | 69 |
| 2005 | 3444 | 70 |
| 2004 | 3181 | 73 |
| 2003 | 2885 | 74 |
| 2002 | 2690 | 74 |
| 2001 | 2488 | 71 |
| 2000 | 2264 | 74 |
| 1999 | 2087 | 73 |
| 1998 | 2005 | 73 |
| 1997 | 1956 | 73 |
| 1996 | 2356 | 62 |
| 1995 | 2278 | 64 |
| 1994 | 2335 | 60 |
| 1993 | 2434 | 56 |
| 1992 | 2487 | 53 |
| 1991 | 2521 | 53 |
| 1990 | 3331 | 43 |
| 1989 | 3095 | 42 |
| 1988 | 3180 | 38 |
| 1987 | 2988 | 39 |
| 1986 | 2830 | 41 |