| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 7297 | 2 |
| 2015 | 7014.1 | 4 |
| 2014 | 6826.6 | 4 |
| 2013 | 6745.6 | 4 |
| 2012 | 6664.5 | 4 |
| 2011 | 6595.3 | 4 |
| 2010 | 6533.9 | 4 |
| 2009 | 6450.2 | 4 |
| 2008 | 6261.4 | 4 |
| 2007 | 6056.2 | 3 |
| 2006 | 5968.7 | 3 |
| 2005 | 5911.8 | 3 |
| 2004 | 5883.1 | 3 |
| 2003 | 5930.1 | 3 |
| 2002 | 5898.1 | 3 |
| 2001 | 5828.2 | 3 |
| 2000 | 5798.1 | 3 |
| 1999 | 5720.4 | 3 |
| 1998 | 5655.1 | 3 |
| 1997 | 5540.7 | 3 |
| 1996 | 5494.3 | 3 |
| 1995 | 5366.3 | 3 |
| 1994 | 5251.3 | 3 |
| 1993 | 5091.8 | 3 |
| 1992 | 5066.4 | 3 |
| 1991 | 4806.3 | 3 |
| 1990 | 4652 | 3 |
| 1989 | 4560.2 | 3 |
| 1988 | 4659.2 | 3 |
| 1987 | 4591.9 | 3 |
| 1986 | 4563.6 | 3 |