| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 3069 | 118 |
| 2015 | 3016 | 125 |
| 2014 | 3058 | 131 |
| 2013 | 3045 | 135 |
| 2012 | 3148 | 134 |
| 2011 | 2999 | 138 |
| 2010 | 2839 | 134 |
| 2009 | 2669 | 129 |
| 2008 | 2501 | 136 |
| 2007 | 2435 | 133 |
| 2006 | 2394 | 123 |
| 2005 | 2353 | 120 |
| 2004 | 2248 | 120 |
| 2003 | 2294 | 109 |
| 2002 | 2258 | 101 |
| 2001 | 2240 | 95 |
| 2000 | 2171 | 96 |
| 1999 | 2047 | 100 |
| 1998 | 2029 | 101 |
| 1997 | 1907 | 104 |
| 1996 | 2020 | 102 |
| 1995 | 2065 | 100 |
| 1994 | 1909 | 89 |
| 1993 | 1909 | 86 |
| 1992 | 1756 | 87 |
| 1991 | 1682 | 88 |
| 1990 | 1528 | 94 |
| 1989 | 1437 | 86 |
| 1988 | 1355 | 87 |
| 1987 | 1296 | 87 |
| 1986 | 1276 | 84 |