| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 5878 | 3 |
| 2015 | 5694 | 5 |
| 2014 | 5667 | 6 |
| 2013 | 5274 | 6 |
| 2012 | 5373 | 7 |
| 2011 | 5499 | 7 |
| 2010 | 4984 | 6 |
| 2009 | 4123 | 8 |
| 2008 | 3763 | 13 |
| 2007 | 3811 | 11 |
| 2006 | 2907 | 12 |
| 2005 | 2485 | 12 |
| 2004 | 2130 | 11 |
| 2003 | 1714 | 11 |
| 2002 | 1462 | 11 |
| 2001 | 1320 | 11 |
| 2000 | 1313 | 12 |
| 1999 | 1248 | 12 |
| 1998 | 1178 | 12 |
| 1997 | 1187 | 13 |
| 1996 | 1125 | 12 |
| 1995 | 1057 | 13 |
| 1994 | 927 | 11 |
| 1993 | 767 | 13 |
| 1992 | 792 | 14 |
| 1991 | 733 | 14 |
| 1990 | 905 | 10 |
| 1989 | 838 | 7 |
| 1988 | 814 | 5 |
| 1987 | 766 | 5 |
| 1986 | 684 | 5 |