| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 24654.54 | 6 |
| 2015 | 24335.62 | 6 |
| 2014 | 28493.05 | 6 |
| 2013 | 28085.11 | 5 |
| 2012 | 26814.16 | 5 |
| 2011 | 28626.8 | 5 |
| 2010 | 26468.37 | 5 |
| 2009 | 26938.27 | 5 |
| 2008 | 29234.66 | 5 |
| 2007 | 26631.13 | 6 |
| 2006 | 23250.12 | 6 |
| 2005 | 22036.79 | 6 |
| 2004 | 21241.12 | 5 |
| 2003 | 18481.24 | 5 |
| 2002 | 15003.38 | 5 |
| 2001 | 13822.18 | 5 |
| 2000 | 13684.38 | 5 |
| 1999 | 15002.76 | 5 |
| 1998 | 15107.58 | 5 |
| 1997 | 14607.09 | 5 |
| 1996 | 16142.45 | 4 |
| 1995 | 16098.92 | 4 |
| 1994 | 14016.36 | 4 |
| 1993 | 13300.95 | 4 |
| 1992 | 14087.25 | 4 |
| 1991 | 12755.63 | 4 |
| 1990 | 12753.01 | 4 |
| 1989 | 10301.22 | 4 |
| 1988 | 10235.04 | 4 |
| 1987 | 9383.68 | 4 |
| 1986 | 7745.56 | 4 |