| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 1123 | 11 |
| 2015 | 1109 | 13 |
| 2014 | 1193 | 13 |
| 2013 | 1124 | 12 |
| 2012 | 1074 | 11 |
| 2011 | 1058 | 12 |
| 2010 | 928 | 13 |
| 2009 | 900 | 12 |
| 2008 | 949 | 11 |
| 2007 | 839 | 11 |
| 2006 | 698 | 10 |
| 2005 | 650 | 10 |
| 2004 | 596 | 10 |
| 2003 | 510 | 10 |
| 2002 | 445 | 10 |
| 2001 | 421 | 10 |
| 2000 | 446 | 10 |
| 1999 | 277 | 12 |
| 1998 | 252 | 13 |
| 1997 | 236 | 13 |
| 1996 | 246 | 11 |
| 1995 | 243 | 10 |
| 1994 | 214 | 10 |
| 1993 | 204 | 8 |
| 1992 | 199 | 8 |
| 1991 | 185 | 9 |
| 1990 | 176 | 9 |
| 1989 | 147 | 9 |
| 1988 | 161 | 8 |
| 1987 | 152 | 8 |
| 1986 | 120 | 8 |