| 年份 | 单位：万元 |
| 2010 | 17785034.00 |
| 2009 | 16082440.40 |
| 2008 | 16213662.00 |
| 2007 | 13512691.90 |
| 2006 | 10267926.00 |
| 2005 | 7555064.30 |
| 2004 | 5733000.00 |
| 2003 | 4410000.00 |
| 2002 | 3856329.50 |
| 2001 | 3446000.00 |
| 2000 | 3104792.90 |
| 1999 | 2573699.70 |
| 1998 | 2675207.00 |
| 1997 | 2084290.00 |
| 1996 | 2247660.30 |
| 1995 | 2036052.20 |
| 1994 | 1573710.00 |
| 1993 | 1340737.70 |
| 1992 | 1199488.00 |
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