| 年份 | 单位：万元 |
| 2010 | 19661850.00 |
| 2009 | 19709766.00 |
| 2008 | 17609595.00 |
| 2007 | 16744478.00 |
| 2006 | 16984434.00 |
| 2005 | 15744791.00 |
| 2004 | 14411093.00 |
| 2003 | 12962669.00 |
| 2002 | 11112408.00 |
| 2001 | 9821699.00 |
| 2000 | 9111560.00 |
| 1999 | 8177375.00 |
| 1998 | 7692748.00 |
| 1997 | 6051966.00 |
| 1996 | 5472879.00 |
| 1995 | 4954605.00 |
| 1994 | 4271585.00 |
| 1993 | 3169662.00 |
| 1992 | 2388255.00 |
| 1991 | 2266001.00 |
| 1990 | 1686782.00 |
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