| 年份 | 单位：亿元 |
| 2012 | 购买后可见 » |
| 2011 | 购买后可见 » |
| 2010 | 购买后可见 » |
| 2009 | 购买后可见 » |
| 2008 | 购买后可见 » |
| 2007 | 购买后可见 » |
| 2006 | 购买后可见 » |
| 2005 | 购买后可见 » |
| 2004 | 购买后可见 » |
| 2003 | 购买后可见 » |
| 2002 | 341.20 |
| 2001 | 293.90 |
| 2000 | 240.40 |
| 1999 | 244.56 |
| 1998 | 254.28 |
| 1997 | 245.89 |
| 1996 | 213.49 |
| 1995 | 177.95 |
| 1994 | 153.98 |
| 1993 | 119.79 |
| 1992 | 101.91 |
| 1991 | 92.04 |
| 1990 | 80.25 |
| 1989 | 66.72 |
| 1988 | 40.40 |
| 1987 | 31.81 |
| 1986 | 23.62 |
| 1985 | 18.23 |
| 1984 | 14.24 |
| 1983 | 11.60 |
| 1982 | 10.26 |
| 1981 | 8.64 |
| 1980 | 7.11 |
| 1979 | 5.80 |
| 1978 | 4.50 |
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