| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 3864.28 | 28 |
| 2015 | 3769.67 | 30 |
| 2014 | 4383.76 | 28 |
| 2013 | 4282.48 | 29 |
| 2012 | 4074.52 | 29 |
| 2011 | 4290.37 | 28 |
| 2010 | 3902.12 | 29 |
| 2009 | 3975.94 | 25 |
| 2008 | 4276.12 | 25 |
| 2007 | 3864.59 | 26 |
| 2006 | 3343.09 | 26 |
| 2005 | 3146.49 | 23 |
| 2004 | 2998.57 | 22 |
| 2003 | 2607.21 | 22 |
| 2002 | 2129.71 | 22 |
| 2001 | 1969.54 | 23 |
| 2000 | 1964.22 | 23 |
| 1999 | 2167.25 | 22 |
| 1998 | 2176.84 | 23 |
| 1997 | 2123.23 | 23 |
| 1996 | 2367.2 | 22 |
| 1995 | 2404.58 | 22 |
| 1994 | 2030.45 | 22 |
| 1993 | 1899.21 | 22 |
| 1992 | 1946.08 | 22 |
| 1991 | 1733.76 | 22 |
| 1990 | 1660.62 | 22 |
| 1989 | 1327.85 | 21 |
| 1988 | 1330.18 | 19 |
| 1987 | 1238.69 | 20 |
| 1986 | 987.98 | 21 |