| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 714 | 17 |
| 2015 | 723 | 19 |
| 2014 | 764 | 19 |
| 2013 | 739 | 19 |
| 2012 | 645 | 20 |
| 2011 | 648 | 20 |
| 2010 | 535 | 20 |
| 2009 | 498 | 21 |
| 2008 | 591 | 21 |
| 2007 | 532 | 21 |
| 2006 | 429 | 21 |
| 2005 | 377 | 21 |
| 2004 | 337 | 19 |
| 2003 | 262 | 18 |
| 2002 | 219 | 17 |
| 2001 | 210 | 16 |
| 2000 | 198 | 17 |
| 1999 | 186 | 16 |
| 1998 | 165 | 17 |
| 1997 | 170 | 17 |
| 1996 | 161 | 18 |
| 1995 | 148 | 15 |
| 1994 | 129 | 16 |
| 1993 | 119 | 16 |
| 1992 | 154 | 11 |
| 1991 | 142 | 11 |
| 1990 | 132 | 10 |
| 1989 | 109 | 10 |
| 1988 | 100 | 10 |
| 1987 | 86 | 10 |
| 1986 | 65 | 11 |