| 时间 | 值 （亿美元） | 世界排名 |
|---|---|---|
| 2016 | 101 | 81 |
| 2015 | 110 | 80 |
| 2014 | 132 | 81 |
| 2013 | 147 | 78 |
| 2012 | 162 | 75 |
| 2011 | 146 | 76 |
| 2010 | 110 | 80 |
| 2009 | 107 | 77 |
| 2008 | 98 | 86 |
| 2007 | 88 | 83 |
| 2006 | 80 | 81 |
| 2005 | 71 | 80 |
| 2004 | 9 | 131 |
| 2003 | 9 | 126 |
| 2002 | 8 | 124 |
| 2001 | 9 | 122 |
| 2000 | 9 | 120 |
| 1999 | 8 | 116 |
| 1998 | 8 | 115 |
| 1997 | 7 | 121 |
| 1996 | 6 | 125 |
| 1995 | 6 | 123 |
| 1994 | 6 | 116 |
| 1993 | 6 | 108 |
| 1992 | 5 | 110 |
| 1991 | 4 | 111 |
| 1990 | 3 | 114 |
| 1989 | 3 | 114 |
| 1988 | 3 | 115 |
| 1987 | 4 | 108 |
| 1986 | 3 | 108 |