| 时间 | 值 （亿元） | 世界排名 |
|---|---|---|
| 2016 | 445.7 | 102 |
| 2015 | 472.6 | 113 |
| 2014 | 349.6 | 116 |
| 2013 | 310.4 | 118 |
| 2012 | 257 | 120 |
| 2011 | 218 | 121 |
| 2010 | 179.2 | 124 |
| 2009 | 138 | 125 |
| 2008 | 128.2 | 127 |
| 2007 | 104 | 131 |
| 2006 | 83 | 132 |
| 2005 | 57.6 | 134 |
| 2004 | 55.8 | 132 |
| 2003 | 42.3 | 130 |
| 2002 | 33.8 | 133 |
| 2001 | 26.4 | 134 |
| 2000 | 24.3 | 132 |
| 1999 | 14 | 140 |
| 1998 | 10.9 | 140 |
| 1997 | 8.7 | 141 |
| 1996 | 7 | 138 |
| 1995 | 5.2 | 142 |
| 1994 | 3.3 | 140 |
| 1993 | 2.1 | 141 |
| 1991 | 0.5 | 131 |
| 1990 | 0.2 | 127 |
| 1989 | 0.2 | 124 |
| 1988 | 0.1 | 121 |
| 1987 | 0.1 | 120 |
| 1986 | 0 | 120 |