| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 2204 | 80 |
| 2015 | 2122 | 101 |
| 2014 | 2048 | 103 |
| 2013 | 1969 | 107 |
| 2012 | 1891 | 107 |
| 2011 | 1815 | 106 |
| 2010 | 1750 | 120 |
| 2009 | 1693 | 107 |
| 2008 | 1637 | 106 |
| 2007 | 1575 | 107 |
| 2006 | 1520 | 102 |
| 2005 | 1494 | 100 |
| 2004 | 1457 | 99 |
| 2003 | 1407 | 98 |
| 2002 | 1374 | 96 |
| 2001 | 1341 | 91 |
| 2000 | 1314 | 88 |
| 1999 | 1312 | 84 |
| 1998 | 1271 | 85 |
| 1997 | 1374 | 83 |
| 1996 | 1293 | 84 |
| 1995 | 1196 | 83 |
| 1994 | 1079 | 82 |
| 1993 | 1017 | 80 |
| 1992 | 977 | 81 |
| 1991 | 966 | 82 |
| 1990 | 916 | 82 |
| 1989 | 849 | 69 |
| 1988 | 830 | 69 |
| 1987 | 814 | 68 |
| 1986 | 804 | 68 |