| 年份 | 单位：万人 |
| 含“(E)”其对应值为系统预测，仅供参考。 | |
| 2023（E） | 购买后可见 » |
| 2022（E） | 购买后可见 » |
| 2021（E） | 购买后可见 » |
| 2020 | 购买后可见 » |
| 2019 | 购买后可见 » |
| 2018 | 购买后可见 » |
| 2017 | 购买后可见 » |
| 2016 | 购买后可见 » |
| 2015 | 购买后可见 » |
| 2014 | 购买后可见 » |
| 2013 | 购买后可见 » |
| 2012 | 购买后可见 » |
| 2011 | 购买后可见 » |
| 2010 | 29.50 |
| 2009 | 27.23 |
| 2008 | 26.14 |
| 2007 | 24.90 |
| 2006 | 22.92 |
| 2005 | 20.30 |
| 2004 | 19.71 |
| 2003 | 19.90 |
| 2002 | 20.78 |
| 2001 | 23.00 |
| 2000 | 25.64 |
| 1999 | 27.40 |
| 1998 | 27.90 |
| 1997 | 27.60 |
| 1996 | 26.70 |
| 1995 | 25.70 |
| 1994 | 24.70 |
| 1993 | 23.90 |
| 1992 | 23.50 |
| 1991 | 23.20 |
| 1990 | 23.40 |
| 1989 | 22.90 |
| 1988 | 22.50 |
| 1987 | 21.00 |
| 1986 | 19.30 |
| 1985 | 17.40 |
| 1984 | 16.10 |
| 1983 | 15.60 |
| 1982 | 15.00 |
| 1981 | 13.60 |
| 1980 | 12.80 |
| 1979 | 11.30 |
| 1978 | 9.90 |
| 1977 | 8.70 |
| 1976 | 8.00 |
| 1975 | 7.30 |
| 1974 | 6.60 |
| 1973 | 5.70 |
| 1972 | 4.60 |
| 1971 | 4.30 |
| 1970 | 3.90 |
| 1969 | 4.50 |
| 1968 | 5.60 |
| 1967 | 5.80 |
| 1966 | 5.90 |
| 1965 | 5.50 |
| 1964 | 6.40 |
| 1963 | 5.80 |
| 1962 | 6.10 |
| 1961 | 11.10 |
| 1960 | 14.20 |
| 1959 | 8.80 |
| 1958 | 6.90 |
| 1957 | 5.80 |
| 1956 | 5.30 |
| 1955 | 3.50 |
| 1954 | 3.70 |
| 1953 | 3.70 |
| 1952 | 3.50 |
| 1951 | 2.50 |
| 1950 | 1.80 |
| 1949 | 1.60 |
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