| 时间 | 值 （亿元） | 世界排名 |
|---|---|---|
| 2008 | 196 | 124 |
| 2007 | 171.1 | 124 |
| 2006 | 147.5 | 124 |
| 2005 | 120.6 | 124 |
| 2004 | 111.1 | 121 |
| 2003 | 102.8 | 118 |
| 2002 | 99.3 | 117 |
| 2001 | 101 | 115 |
| 2000 | 93.7 | 115 |
| 1999 | 85.7 | 109 |
| 1998 | 79 | 110 |
| 1997 | 68.4 | 110 |
| 1996 | 60.1 | 106 |
| 1995 | 56 | 104 |
| 1994 | 51.7 | 100 |
| 1993 | 44.7 | 98 |
| 1992 | 37.6 | 93 |
| 1991 | 29.9 | 92 |
| 1990 | 22.6 | 89 |
| 1989 | 16.6 | 90 |
| 1988 | 16.9 | 86 |
| 1987 | 23.1 | 84 |
| 1986 | 24 | 79 |