| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 2969.66 | 36 |
| 2015 | 2968.41 | 37 |
| 2014 | 3081.43 | 37 |
| 2013 | 3025.11 | 37 |
| 2012 | 2891.62 | 37 |
| 2011 | 2755.99 | 38 |
| 2010 | 2364.22 | 40 |
| 2009 | 1924.08 | 43 |
| 2008 | 1922.26 | 45 |
| 2007 | 1799.81 | 42 |
| 2006 | 1477.97 | 44 |
| 2005 | 1274.18 | 43 |
| 2004 | 1141.89 | 42 |
| 2003 | 970.01 | 41 |
| 2002 | 919.41 | 42 |
| 2001 | 892.86 | 43 |
| 2000 | 958.34 | 42 |
| 1999 | 862.83 | 40 |
| 1998 | 857.08 | 40 |
| 1997 | 1001.64 | 38 |
| 1996 | 964.04 | 39 |
| 1995 | 878.9 | 39 |
| 1994 | 737.78 | 38 |
| 1993 | 606.45 | 39 |
| 1992 | 521.56 | 42 |
| 1991 | 454.74 | 42 |
| 1990 | 361.52 | 51 |
| 1989 | 304.24 | 49 |
| 1988 | 253.37 | 54 |
| 1987 | 208.98 | 57 |
| 1986 | 185.69 | 54 |