| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 22635.23 | 7 |
| 2015 | 21117.51 | 7 |
| 2014 | 20353.93 | 10 |
| 2013 | 18567.22 | 10 |
| 2012 | 18276.38 | 10 |
| 2011 | 18230.5 | 10 |
| 2010 | 16566.17 | 9 |
| 2009 | 13239.4 | 11 |
| 2008 | 11869.53 | 12 |
| 2007 | 12011.12 | 12 |
| 2006 | 9203.17 | 14 |
| 2005 | 8089.01 | 13 |
| 2004 | 6996.89 | 12 |
| 2003 | 5995.93 | 12 |
| 2002 | 5080.69 | 12 |
| 2001 | 4789.65 | 13 |
| 2000 | 4621.47 | 13 |
| 1999 | 4527 | 13 |
| 1998 | 4157.31 | 13 |
| 1997 | 4103.2 | 15 |
| 1996 | 3876.56 | 16 |
| 1995 | 3554.76 | 15 |
| 1994 | 3229.1 | 16 |
| 1993 | 2755.7 | 16 |
| 1992 | 2843.64 | 16 |
| 1991 | 2665.02 | 17 |
| 1990 | 3166.97 | 12 |
| 1989 | 2920.93 | 13 |
| 1988 | 2926.33 | 11 |
| 1987 | 2753.11 | 10 |
| 1986 | 2456.65 | 11 |