| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 863 | 22 |
| 2015 | 845.7 | 25 |
| 2014 | 841.9 | 24 |
| 2013 | 832.5 | 24 |
| 2012 | 807.6 | 24 |
| 2011 | 780.3 | 25 |
| 2010 | 759.3 | 25 |
| 2009 | 737.5 | 25 |
| 2008 | 704.7 | 25 |
| 2007 | 666.1 | 26 |
| 2006 | 640.3 | 26 |
| 2005 | 610.5 | 26 |
| 2004 | 580.6 | 27 |
| 2003 | 551.7 | 27 |
| 2002 | 522.2 | 28 |
| 2001 | 499.4 | 28 |
| 2000 | 484.2 | 28 |
| 1999 | 470.5 | 27 |
| 1998 | 468.4 | 27 |
| 1997 | 479.1 | 26 |
| 1996 | 469 | 27 |
| 1995 | 451.9 | 27 |
| 1994 | 480.7 | 25 |
| 1993 | 476.9 | 25 |
| 1992 | 471.4 | 25 |
| 1991 | 462.7 | 26 |
| 1990 | 452.5 | 25 |
| 1989 | 442.5 | 23 |
| 1988 | 425.4 | 23 |
| 1987 | 418.5 | 24 |
| 1986 | 403.4 | 23 |