| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 4873.6 | 19 |
| 2015 | 4721.7 | 23 |
| 2014 | 5490.5 | 21 |
| 2013 | 5526.5 | 21 |
| 2012 | 5170.6 | 23 |
| 2011 | 5366.2 | 22 |
| 2010 | 4616.8 | 22 |
| 2009 | 4049 | 22 |
| 2008 | 4817.6 | 22 |
| 2007 | 4537.8 | 19 |
| 2006 | 3881.5 | 20 |
| 2005 | 3611.4 | 20 |
| 2004 | 3527 | 20 |
| 2003 | 3101.2 | 19 |
| 2002 | 2472.6 | 18 |
| 2001 | 2249.7 | 20 |
| 2000 | 2445.6 | 19 |
| 1999 | 2544.2 | 19 |
| 1998 | 2499.6 | 21 |
| 1997 | 2461 | 19 |
| 1996 | 2703 | 20 |
| 1995 | 2472.1 | 20 |
| 1994 | 2169.1 | 20 |
| 1993 | 2028.7 | 20 |
| 1992 | 2754.8 | 17 |
| 1991 | 2658.2 | 17 |
| 1990 | 2565.1 | 18 |
| 1989 | 2132 | 17 |
| 1988 | 2001.2 | 15 |
| 1987 | 1765.2 | 15 |
| 1986 | 1433.3 | 16 |