| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 1046 | 93 |
| 2015 | 973 | 117 |
| 2014 | 928 | 120 |
| 2013 | 884 | 124 |
| 2012 | 834 | 126 |
| 2011 | 801 | 127 |
| 2010 | 742 | 149 |
| 2009 | 692 | 130 |
| 2008 | 654 | 131 |
| 2007 | 620 | 130 |
| 2006 | 575 | 128 |
| 2005 | 538 | 126 |
| 2004 | 503 | 128 |
| 2003 | 486 | 127 |
| 2002 | 467 | 127 |
| 2001 | 461 | 123 |
| 2000 | 443 | 122 |
| 1999 | 436 | 114 |
| 1998 | 434 | 113 |
| 1997 | 415 | 113 |
| 1996 | 411 | 114 |
| 1995 | 388 | 115 |
| 1994 | 373 | 108 |
| 1993 | 363 | 104 |
| 1992 | 355 | 102 |
| 1991 | 353 | 100 |
| 1990 | 353 | 97 |
| 1989 | 345 | 85 |
| 1988 | 335 | 83 |
| 1987 | 322 | 84 |
| 1986 | 319 | 83 |