| 时间 | 值 （亿元） | 世界排名 |
|---|---|---|
| 2016 | 355.3 | 104 |
| 2015 | 342.4 | 116 |
| 2014 | 336.2 | 117 |
| 2013 | 324.2 | 117 |
| 2012 | 295.4 | 118 |
| 2011 | 277.5 | 119 |
| 2010 | 256.3 | 122 |
| 2009 | 249 | 121 |
| 2008 | 219.5 | 123 |
| 2007 | 189.6 | 123 |
| 2006 | 159.2 | 123 |
| 2005 | 130.9 | 122 |
| 2004 | 116.9 | 120 |
| 2003 | 104 | 117 |
| 2002 | 96.5 | 118 |
| 2001 | 92.1 | 117 |
| 2000 | 81.6 | 117 |
| 1999 | 76.8 | 112 |
| 1998 | 75.6 | 111 |
| 1997 | 76.2 | 108 |
| 1996 | 73.3 | 103 |
| 1995 | 73.7 | 101 |
| 1994 | 67.4 | 99 |
| 1993 | 64 | 96 |
| 1992 | 60.6 | 89 |
| 1991 | 60.2 | 83 |
| 1989 | 58.7 | 78 |
| 1988 | 56 | 74 |
| 1987 | 52.4 | 73 |
| 1986 | 51.1 | 72 |