| 时间 | 值 （亿元） | 世界排名 |
|---|---|---|
| 2016 | 705.6 | 98 |
| 2015 | 640.1 | 111 |
| 2014 | 659.7 | 110 |
| 2013 | 627.8 | 110 |
| 2012 | 496.3 | 114 |
| 2011 | 410.7 | 117 |
| 2010 | 371.4 | 119 |
| 2009 | 326.8 | 119 |
| 2008 | 316.8 | 119 |
| 2007 | 273.4 | 118 |
| 2006 | 195.6 | 120 |
| 2005 | 158.3 | 120 |
| 2004 | 117.7 | 119 |
| 2003 | 85.2 | 120 |
| 2002 | 65.4 | 124 |
| 2001 | 47.9 | 125 |
| 2000 | 35.7 | 124 |
| 1999 | 25.2 | 128 |
| 1998 | 17.6 | 132 |
| 1997 | 19.2 | 128 |
| 1996 | 14.3 | 128 |
| 1995 | 12.5 | 129 |
| 1994 | 7.5 | 131 |
| 1993 | 3.5 | 136 |
| 1992 | 0.8 | 132 |
| 1991 | 0.2 | 134 |