| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 109.49 | 125 |
| 2015 | 102.87 | 133 |
| 2014 | 111.89 | 137 |
| 2013 | 101.31 | 140 |
| 2012 | 91.99 | 140 |
| 2011 | 95 | 140 |
| 2010 | 87.41 | 138 |
| 2009 | 85.28 | 134 |
| 2008 | 89.77 | 133 |
| 2007 | 78.81 | 135 |
| 2006 | 67.57 | 135 |
| 2005 | 63.95 | 127 |
| 2004 | 60.63 | 125 |
| 2003 | 54.57 | 124 |
| 2002 | 46.9 | 122 |
| 2001 | 43.32 | 123 |
| 2000 | 43.06 | 123 |
| 1999 | 41.27 | 123 |
| 1998 | 39.24 | 122 |
| 1997 | 37.05 | 125 |
| 1996 | 35.7 | 125 |
| 1995 | 34.4 | 124 |
| 1994 | 29.99 | 119 |
| 1993 | 27.09 | 120 |
| 1992 | 30.22 | 117 |
| 1991 | 27.5 | 121 |
| 1990 | 25.47 | 127 |
| 1989 | 21.19 | 118 |
| 1988 | 20.19 | 118 |
| 1987 | 17.51 | 116 |
| 1986 | 14.35 | 114 |