| 年份 | 单位：万人 |
| 2011 | 683.60 |
| 2010 | 729.80 |
| 2009 | 785.70 |
| 2008 | 761.10 |
| 2007 | 740.50 |
| 2006 | 676.20 |
| 2005 | 625.57 |
| 2004 | 569.40 |
| 2003 | 528.17 |
| 2002 | 511.50 |
| 2001 | 466.43 |
| 2000 | 503.21 |
| 1999 | 533.90 |
| 1998 | 541.60 |
| 1997 | 511.90 |
| 1996 | 473.30 |
| 1995 | 448.30 |
| 1994 | 405.60 |
| 1993 | 362.60 |
| 1992 | 342.80 |
| 1991 | 315.60 |
| 1990 | 295.00 |
| 1989 | 282.30 |
| 1988 | 279.40 |
| 1987 | 267.60 |
| 1986 | 256.00 |
| 1985 | 229.50 |
| 1984 | 174.50 |
| 1983 | 122.00 |
| 1982 | 70.40 |
| 1981 | 48.10 |
| 1980 | 45.40 |
| 1965 | 443.30 |
| 1964 | 112.30 |
| 1963 | 30.80 |
| 1962 | 26.70 |
| 1961 | 61.20 |
| 1960 | 230.20 |
| 1959 | 219.00 |
| 1958 | 200.00 |
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