| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 741.1 | 62 |
| 2015 | 695 | 69 |
| 2014 | 648.3 | 72 |
| 2013 | 598.3 | 73 |
| 2012 | 560.5 | 74 |
| 2011 | 527.7 | 74 |
| 2010 | 456.8 | 77 |
| 2009 | 411.9 | 77 |
| 2008 | 448.9 | 78 |
| 2007 | 398.3 | 75 |
| 2006 | 353.6 | 72 |
| 2005 | 315.5 | 69 |
| 2004 | 275.9 | 69 |
| 2003 | 250.8 | 66 |
| 2002 | 235.7 | 66 |
| 2001 | 211.6 | 69 |
| 2000 | 209.8 | 67 |
| 1999 | 198.5 | 67 |
| 1998 | 209.6 | 69 |
| 1997 | 187.9 | 70 |
| 1996 | 164.2 | 71 |
| 1995 | 155.6 | 71 |
| 1994 | 139.4 | 69 |
| 1993 | 123.5 | 71 |
| 1992 | 114 | 68 |
| 1991 | 97.5 | 75 |
| 1990 | 79.4 | 79 |
| 1989 | 88.5 | 66 |
| 1988 | 83 | 64 |
| 1987 | 75.4 | 65 |
| 1986 | 71.3 | 66 |