| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 4080 | 102 |
| 2015 | 4109 | 109 |
| 2014 | 4713 | 107 |
| 2013 | 4480 | 113 |
| 2012 | 3856 | 120 |
| 2011 | 3988 | 119 |
| 2010 | 3226 | 124 |
| 2009 | 2600 | 132 |
| 2008 | 3060 | 127 |
| 2007 | 2312 | 136 |
| 2006 | 1810 | 138 |
| 2005 | 1507 | 136 |
| 2004 | 1409 | 130 |
| 2003 | 1175 | 131 |
| 2002 | 1148 | 131 |
| 2001 | 1417 | 118 |
| 2000 | 1546 | 115 |
| 1999 | 1615 | 109 |
| 1998 | 1773 | 108 |
| 1997 | 2001 | 101 |
| 1996 | 2010 | 103 |
| 1995 | 1903 | 102 |
| 1994 | 1692 | 94 |
| 1993 | 1596 | 91 |
| 1992 | 1615 | 90 |
| 1991 | 1615 | 92 |
| 1990 | 1352 | 98 |
| 1989 | 1121 | 93 |
| 1988 | 1022 | 98 |
| 1987 | 972 | 97 |
| 1986 | 911 | 92 |