| 年份 | 单位：万头 |
| 含“(E)”其对应值为系统预测，仅供参考。 | |
| 2026（E） | 购买后可见 » |
| 2025（E） | 购买后可见 » |
| 2024（E） | 购买后可见 » |
| 2023 | 购买后可见 » |
| 2022 | 购买后可见 » |
| 2021 | 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 | 11853.17 |
| 2012 | 11891.80 |
| 2011 | 11966.20 |
| 2010 | 12238.50 |
| 2009 | 12357.60 |
| 2008 | 12250.70 |
| 2007 | 12309.30 |
| 2006 | 12287.10 |
| 2005 | 12894.84 |
| 2004 | 13191.38 |
| 2003 | 13467.29 |
| 2002 | 13672.31 |
| 2001 | 13980.86 |
| 2000 | 14638.11 |
| 1999 | 15024.75 |
| 1998 | 14803.20 |
| 1997 | 14541.80 |
| 1996 | 13360.20 |
| 1995 | 15861.70 |
| 1994 | 14918.70 |
| 1993 | 13987.50 |
| 1992 | 13485.10 |
| 1991 | 13192.60 |
| 1990 | 13021.30 |
| 1989 | 12804.80 |
| 1988 | 12537.80 |
| 1987 | 12192.10 |
| 1986 | 11896.10 |
| 1985 | 11381.80 |
| 1984 | 10839.00 |
| 1983 | 10350.00 |
| 1982 | 10113.00 |
| 1981 | 9764.00 |
| 1980 | 8525.00 |
| 1979 | 9459.00 |
| 1978 | 9389.00 |
| 1977 | 9375.00 |
| 1976 | 9498.00 |
| 1975 | 9689.00 |
| 1974 | 9753.00 |
| 1973 | 9718.00 |
| 1972 | 9576.00 |
| 1971 | 9537.00 |
| 1970 | 9436.00 |
| 1969 | 9228.00 |
| 1968 | 9179.00 |
| 1967 | 8982.00 |
| 1966 | 8740.00 |
| 1965 | 8421.00 |
| 1964 | 7943.00 |
| 1963 | 7505.00 |
| 1962 | 7020.00 |
| 1961 | 6949.00 |
| 1960 | 7336.00 |
| 1959 | 7912.00 |
| 1958 | 7768.00 |
| 1957 | 8382.00 |
| 1956 | 8773.00 |
| 1955 | 8775.00 |
| 1954 | 8530.00 |
| 1953 | 8076.00 |
| 1952 | 7646.00 |
| 1951 | 7041.00 |
| 1950 | 6538.00 |
| 1949 | 6002.00 |
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