| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 656.3 | 26 |
| 2015 | 645.9 | 29 |
| 2014 | 626.8 | 29 |
| 2013 | 609.9 | 29 |
| 2012 | 599.1 | 29 |
| 2011 | 559 | 31 |
| 2010 | 539 | 32 |
| 2009 | 494.8 | 34 |
| 2008 | 448.2 | 34 |
| 2007 | 427.1 | 35 |
| 2006 | 393.5 | 37 |
| 2005 | 384.8 | 36 |
| 2004 | 356.3 | 37 |
| 2003 | 342.9 | 36 |
| 2002 | 326.2 | 37 |
| 2001 | 315.4 | 37 |
| 2000 | 307.5 | 36 |
| 1999 | 299.2 | 34 |
| 1998 | 288.8 | 35 |
| 1997 | 276.1 | 35 |
| 1996 | 268.6 | 34 |
| 1995 | 244.6 | 36 |
| 1994 | 228.9 | 36 |
| 1993 | 211 | 36 |
| 1992 | 200.7 | 36 |
| 1991 | 188.7 | 36 |
| 1990 | 177.7 | 35 |
| 1989 | 166.2 | 30 |
| 1988 | 161.9 | 30 |
| 1987 | 155.7 | 30 |
| 1986 | 155.2 | 29 |