| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 6842.1 | 3 |
| 2015 | 6739 | 5 |
| 2014 | 6645.4 | 5 |
| 2013 | 6569.4 | 5 |
| 2012 | 6474.4 | 5 |
| 2011 | 6372 | 5 |
| 2010 | 6306.7 | 5 |
| 2009 | 6227.4 | 5 |
| 2008 | 6080.8 | 5 |
| 2007 | 6012 | 4 |
| 2006 | 5905.1 | 4 |
| 2005 | 5826.4 | 4 |
| 2004 | 5753.2 | 4 |
| 2003 | 5629.1 | 4 |
| 2002 | 5522.1 | 4 |
| 2001 | 5423.5 | 4 |
| 2000 | 5365.7 | 4 |
| 1999 | 5269.3 | 4 |
| 1998 | 5189 | 4 |
| 1997 | 5224.7 | 4 |
| 1996 | 5172.2 | 4 |
| 1995 | 5053.8 | 4 |
| 1994 | 5055.2 | 4 |
| 1993 | 5038.9 | 4 |
| 1992 | 4867.9 | 4 |
| 1991 | 4714.6 | 4 |
| 1990 | 4555.7 | 4 |
| 1989 | 4414.3 | 4 |
| 1988 | 4355.5 | 4 |
| 1987 | 4210.1 | 4 |
| 1986 | 4098.2 | 4 |