| 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 | 1134.30 |
| 2001 | 1043.40 |
| 2000 | 802.54 |
| 1999 | 739.37 |
| 1998 | 666.39 |
| 1997 | 598.73 |
| 1996 | 528.24 |
| 1995 | 449.07 |
| 1994 | 389.88 |
| 1993 | 324.71 |
| 1992 | 270.51 |
| 1991 | 238.04 |
| 1990 | 220.39 |
| 1989 | 202.54 |
| 1988 | 192.97 |
| 1987 | 145.09 |
| 1986 | 127.72 |
| 1985 | 115.82 |
| 1984 | 98.57 |
| 1983 | 84.11 |
| 1982 | 78.45 |
| 1981 | 72.23 |
| 1980 | 65.21 |
| 1979 | 58.98 |
| 1978 | 48.24 |
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