| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 684 | 100 |
| 2015 | 704 | 125 |
| 2014 | 662 | 132 |
| 2013 | 651 | 136 |
| 2012 | 543 | 142 |
| 2011 | 433 | 149 |
| 2010 | 438 | 169 |
| 2009 | 458 | 144 |
| 2008 | 445 | 145 |
| 2007 | 480 | 141 |
| 2006 | 459 | 139 |
| 2005 | 477 | 131 |
| 2004 | 575 | 123 |
| 2003 | 615 | 117 |
| 2002 | 587 | 117 |
| 2001 | 622 | 114 |
| 2000 | 614 | 114 |
| 1999 | 647 | 105 |
| 1998 | 657 | 104 |
| 1997 | 649 | 105 |
| 1996 | 619 | 104 |
| 1995 | 498 | 104 |
| 1994 | 465 | 101 |
| 1993 | 446 | 100 |
| 1992 | 593 | 93 |
| 1991 | 577 | 91 |
| 1990 | 551 | 90 |
| 1989 | 589 | 76 |
| 1988 | 594 | 74 |
| 1987 | 515 | 77 |
| 1986 | 557 | 75 |