| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 2998 | 119 |
| 2015 | 2954 | 127 |
| 2014 | 3530 | 121 |
| 2013 | 3559 | 129 |
| 2012 | 3408 | 129 |
| 2011 | 3670 | 127 |
| 2010 | 3313 | 123 |
| 2009 | 3445 | 117 |
| 2008 | 3639 | 120 |
| 2007 | 3112 | 119 |
| 2006 | 2304 | 125 |
| 2005 | 2048 | 124 |
| 2004 | 1976 | 123 |
| 2003 | 1769 | 123 |
| 2002 | 1374 | 124 |
| 2001 | 1269 | 125 |
| 2000 | 1239 | 125 |
| 1999 | 1390 | 120 |
| 1998 | 1251 | 123 |
| 1997 | 1202 | 121 |
| 1996 | 1259 | 121 |
| 1995 | 1252 | 120 |
| 1994 | 1072 | 114 |
| 1993 | 1329 | 100 |
| 1992 | 995 | 112 |
| 1991 | 914 | 119 |
| 1990 | 898 | 118 |
| 1989 | 798 | 113 |
| 1988 | 802 | 112 |
| 1987 | 724 | 114 |
| 1986 | 595 | 117 |