| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 2687 | 16 |
| 2015 | 2531 | 17 |
| 2014 | 2757 | 18 |
| 2013 | 3215 | 18 |
| 2012 | 2960 | 18 |
| 2011 | 2082 | 23 |
| 2010 | 1763 | 23 |
| 2009 | 1554 | 19 |
| 2008 | 1836 | 22 |
| 2007 | 1612 | 22 |
| 2006 | 1414 | 18 |
| 2005 | 1266 | 18 |
| 2004 | 1158 | 17 |
| 2003 | 1002 | 16 |
| 2002 | 872 | 16 |
| 2001 | 841 | 16 |
| 2000 | 825 | 16 |
| 1999 | 799 | 16 |
| 1998 | 801 | 16 |
| 1997 | 760 | 17 |
| 1996 | 782 | 17 |
| 1995 | 802 | 15 |
| 1994 | 680 | 16 |
| 1993 | 608 | 16 |
| 1992 | 657 | 15 |
| 1991 | 665 | 13 |
| 1990 | 697 | 13 |
| 1989 | 582 | 14 |
| 1988 | 564 | 12 |
| 1987 | 507 | 11 |
| 1986 | 411 | 11 |