| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 10788 | 59 |
| 2015 | 10980 | 64 |
| 2014 | 12127 | 66 |
| 2013 | 12543 | 68 |
| 2012 | 11720 | 71 |
| 2011 | 11341 | 72 |
| 2010 | 10672 | 72 |
| 2009 | 9036 | 72 |
| 2008 | 10851 | 70 |
| 2007 | 9709 | 71 |
| 2006 | 8035 | 74 |
| 2005 | 7384 | 73 |
| 2004 | 6041 | 72 |
| 2003 | 4719 | 76 |
| 2002 | 3660 | 83 |
| 2001 | 3120 | 86 |
| 2000 | 4317 | 75 |
| 1999 | 4108 | 74 |
| 1998 | 4497 | 72 |
| 1997 | 3144 | 82 |
| 1996 | 3054 | 81 |
| 1995 | 2898 | 83 |
| 1994 | 2270 | 82 |
| 1993 | 3180 | 66 |
| 1992 | 2842 | 71 |
| 1991 | 2736 | 70 |
| 1990 | 2794 | 67 |
| 1989 | 2022 | 76 |
| 1988 | 1745 | 81 |
| 1987 | 1706 | 77 |
| 1986 | 1511 | 79 |