| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 1560.8 | 53 |
| 2015 | 1647.79 | 55 |
| 2014 | 2139.83 | 49 |
| 2013 | 2097.84 | 50 |
| 2012 | 2090.47 | 49 |
| 2011 | 2000.13 | 49 |
| 2010 | 1612.07 | 50 |
| 2009 | 1372.11 | 50 |
| 2008 | 1710.01 | 49 |
| 2007 | 1349.77 | 52 |
| 2006 | 1170.27 | 49 |
| 2005 | 1031.98 | 49 |
| 2004 | 853.25 | 50 |
| 2003 | 678.64 | 51 |
| 2002 | 567.6 | 52 |
| 2001 | 547.45 | 49 |
| 2000 | 547.9 | 49 |
| 1999 | 486.41 | 53 |
| 1998 | 481.88 | 53 |
| 1997 | 481.78 | 53 |
| 1996 | 469.41 | 50 |
| 1995 | 417.64 | 53 |
| 1994 | 425.43 | 52 |
| 1993 | 499.46 | 46 |
| 1992 | 480.03 | 45 |
| 1991 | 457.15 | 41 |
| 1990 | 620.45 | 38 |
| 1989 | 556.31 | 37 |
| 1988 | 590.89 | 35 |
| 1987 | 667.42 | 30 |
| 1986 | 636.96 | 30 |