| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 4050.83 | 27 |
| 2015 | 4810.66 | 24 |
| 2014 | 5684.99 | 22 |
| 2013 | 5149.66 | 26 |
| 2012 | 4609.54 | 28 |
| 2011 | 4117.44 | 30 |
| 2010 | 3690.62 | 31 |
| 2009 | 1694.81 | 46 |
| 2008 | 2080.65 | 44 |
| 2007 | 1664.51 | 46 |
| 2006 | 1454.3 | 45 |
| 2005 | 1122.48 | 47 |
| 2004 | 878.45 | 49 |
| 2003 | 676.56 | 52 |
| 2002 | 591.17 | 51 |
| 2001 | 441.38 | 54 |
| 2000 | 463.86 | 54 |
| 1999 | 358.71 | 57 |
| 1998 | 320.05 | 57 |
| 1997 | 358.22 | 57 |
| 1996 | 349.88 | 57 |
| 1995 | 285.47 | 58 |
| 1994 | 180.86 | 64 |
| 1993 | 157.89 | 65 |
| 1992 | 293.01 | 56 |
| 1991 | 273.93 | 57 |
| 1990 | 307.57 | 54 |
| 1989 | 242.31 | 56 |
| 1988 | 232.72 | 55 |
| 1987 | 240.93 | 52 |
| 1986 | 207.21 | 50 |