| 时间 | 值 （美元） | 世界排名 |
|---|---|---|
| 2016 | 693 | 99 |
| 2015 | 680 | 126 |
| 2014 | 650 | 133 |
| 2013 | 632 | 139 |
| 2012 | 608 | 139 |
| 2011 | 591 | 139 |
| 2010 | 562 | 157 |
| 2009 | 543 | 139 |
| 2008 | 537 | 137 |
| 2007 | 522 | 135 |
| 2006 | 492 | 134 |
| 2005 | 466 | 132 |
| 2004 | 443 | 130 |
| 2003 | 425 | 129 |
| 2002 | 415 | 129 |
| 2001 | 419 | 126 |
| 2000 | 410 | 125 |
| 1999 | 398 | 117 |
| 1998 | 391 | 117 |
| 1997 | 392 | 116 |
| 1996 | 396 | 116 |
| 1995 | 405 | 111 |
| 1994 | 399 | 106 |
| 1993 | 393 | 102 |
| 1992 | 389 | 99 |
| 1991 | 383 | 99 |
| 1990 | 393 | 95 |
| 1989 | 374 | 84 |
| 1988 | 381 | 81 |
| 1987 | 376 | 81 |
| 1986 | 376 | 80 |