| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2014 | 1500 | 千头 | 2026-9 |
| 2013 | 1550 | 千头 | 2026-9 |
| 2012 | 1600 | 千头 | 2026-9 |
| 2011 | 1600 | 千头 | 2026-9 |
| 2010 | 1600 | 千头 | 2026-9 |
| 2009 | 2000 | 千头 | 2026-9 |
| 2008 | 2200 | 千头 | 2026-9 |
| 2007 | 2200 | 千头 | 2026-9 |
| 2006 | 2000 | 千头 | 2026-9 |
| 2005 | 3000 | 千头 | 2026-9 |
| 2004 | 2500 | 千头 | 2026-9 |
| 2003 | 2600 | 千头 | 2026-9 |
| 2002 | 2350 | 千头 | 2026-9 |
| 2001 | 2500 | 千头 | 2026-9 |
| 2000 | 2450 | 千头 | 2026-9 |
| 1999 | 2425 | 千头 | 2026-9 |
| 1998 | 2425 | 千头 | 2026-9 |
| 1997 | 2400 | 千头 | 2026-9 |
| 1996 | 2300 | 千头 | 2026-9 |
| 1995 | 2200 | 千头 | 2026-9 |
| 1994 | 2140 | 千头 | 2026-9 |
| 1993 | 2080 | 千头 | 2026-9 |
| 1992 | 2038 | 千头 | 2026-9 |
| 1991 | 1970 | 千头 | 2026-9 |
| 1990 | 1905 | 千头 | 2026-9 |
| 1989 | 1885 | 千头 | 2026-9 |
| 1988 | 1869 | 千头 | 2026-9 |
| 1987 | 1815 | 千头 | 2026-9 |
| 1986 | 1762 | 千头 | 2026-9 |
| 1985 | 1745 | 千头 | 2026-9 |
| 1984 | 1690 | 千头 | 2026-9 |
| 1983 | 1670 | 千头 | 2026-9 |
| 1982 | 1640 | 千头 | 2026-9 |
| 1981 | 2072 | 千头 | 2026-9 |
| 1980 | 1994 | 千头 | 2026-9 |
| 1979 | 1912 | 千头 | 2026-9 |
| 1978 | 1838 | 千头 | 2026-9 |
| 1977 | 1749 | 千头 | 2026-9 |
| 1976 | 1712 | 千头 | 2026-9 |
| 1975 | 2841 | 千头 | 2026-9 |
| 1974 | 0 | 千头 | 2026-9 |
| 1973 | 0 | 千头 | 2026-9 |
| 1972 | 0 | 千头 | 2026-9 |
| 1971 | 0 | 千头 | 2026-9 |
| 1970 | 0 | 千头 | 2026-9 |
| 1969 | 0 | 千头 | 2026-9 |
| 1968 | 0 | 千头 | 2026-9 |
| 1967 | 0 | 千头 | 2026-9 |
| 1966 | 0 | 千头 | 2026-9 |
| 1965 | 0 | 千头 | 2026-9 |
| 1964 | 0 | 千头 | 2026-9 |
| 1963 | 0 | 千头 | 2026-9 |
| 1962 | 0 | 千头 | 2026-9 |
| 1961 | 0 | 千头 | 2026-9 |
| 1960 | 0 | 千头 | 2026-9 |