| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 3468.9 | 25 |
| 2015 | 3529.7 | 30 |
| 2014 | 3789.1 | 30 |
| 2013 | 4086.4 | 29 |
| 2012 | 3933.8 | 29 |
| 2011 | 3632.7 | 30 |
| 2010 | 3215.9 | 32 |
| 2009 | 2546.4 | 33 |
| 2008 | 2844 | 34 |
| 2007 | 2422.5 | 34 |
| 2006 | 2145.2 | 32 |
| 2005 | 1913 | 32 |
| 2004 | 1650.6 | 33 |
| 2003 | 1426.1 | 33 |
| 2002 | 1258.1 | 32 |
| 2001 | 1128 | 36 |
| 2000 | 1158 | 33 |
| 1999 | 1112.5 | 34 |
| 1998 | 959 | 35 |
| 1997 | 1480.4 | 30 |
| 1996 | 1944.5 | 23 |
| 1995 | 1806.1 | 23 |
| 1994 | 1536.7 | 23 |
| 1993 | 1341.9 | 24 |
| 1992 | 1159.2 | 29 |
| 1991 | 1046.6 | 30 |
| 1990 | 917.6 | 32 |
| 1989 | 741 | 31 |
| 1988 | 625.2 | 32 |
| 1987 | 502.5 | 33 |
| 1986 | 422.2 | 33 |