| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 6598.27 | 19 |
| 2015 | 6707.9 | 19 |
| 2014 | 7027.06 | 20 |
| 2013 | 6848.35 | 20 |
| 2012 | 6650.54 | 20 |
| 2011 | 6962.79 | 19 |
| 2010 | 5812.09 | 19 |
| 2009 | 5395.28 | 19 |
| 2008 | 5515.47 | 18 |
| 2007 | 4774.08 | 19 |
| 2006 | 4291.96 | 18 |
| 2005 | 4075.36 | 18 |
| 2004 | 3935.42 | 18 |
| 2003 | 3519.83 | 17 |
| 2002 | 3011.28 | 18 |
| 2001 | 2786.29 | 18 |
| 2000 | 2716.6 | 19 |
| 1999 | 2898.84 | 17 |
| 1998 | 2949.78 | 17 |
| 1997 | 2866.04 | 19 |
| 1996 | 3296.19 | 17 |
| 1995 | 3417.59 | 17 |
| 1994 | 2919.14 | 17 |
| 1993 | 2636.91 | 17 |
| 1992 | 2711.34 | 18 |
| 1991 | 2604.6 | 18 |
| 1990 | 2574.2 | 18 |
| 1989 | 2015.73 | 18 |
| 1988 | 2087.74 | 14 |
| 1987 | 1929.82 | 13 |
| 1986 | 1540.96 | 15 |