| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 5028 | 千头 | 2026-9 |
| 2015 | 4921 | 千头 | 2026-9 |
| 2014 | 5022 | 千头 | 2026-9 |
| 2013 | 4737 | 千头 | 2026-9 |
| 2012 | 4581 | 千头 | 2026-9 |
| 2011 | 4659 | 千头 | 2026-9 |
| 2010 | 4604 | 千头 | 2026-9 |
| 2009 | 4390 | 千头 | 2026-9 |
| 2008 | 4603 | 千头 | 2026-9 |
| 2007 | 5199 | 千头 | 2026-9 |
| 2006 | 5515 | 千头 | 2026-9 |
| 2005 | 5364 | 千头 | 2026-9 |
| 2004 | 5331 | 千头 | 2026-9 |
| 2003 | 5444 | 千头 | 2026-9 |
| 2002 | 5994 | 千头 | 2026-9 |
| 2001 | 5117 | 千头 | 2026-9 |
| 2000 | 5288 | 千头 | 2026-9 |
| 1999 | 4923 | 千头 | 2026-9 |
| 1998 | 5239 | 千头 | 2026-9 |
| 1997 | 4849 | 千头 | 2026-9 |
| 1996 | 4752 | 千头 | 2026-9 |
| 1995 | 5122 | 千头 | 2026-9 |
| 1994 | 5190 | 千头 | 2026-9 |
| 1993 | 4986 | 千头 | 2026-9 |
| 1992 | 5128 | 千头 | 2026-9 |
| 1991 | 4985 | 千头 | 2026-9 |
| 1990 | 4675 | 千头 | 2026-9 |
| 1989 | 5009 | 千头 | 2026-9 |
| 1988 | 4861 | 千头 | 2026-9 |
| 1987 | 4784 | 千头 | 2026-9 |
| 1986 | 4617 | 千头 | 2026-9 |
| 1985 | 4501 | 千头 | 2026-9 |
| 1984 | 4292 | 千头 | 2026-9 |
| 1983 | 4264 | 千头 | 2026-9 |
| 1982 | 4135 | 千头 | 2026-9 |
| 1981 | 4194 | 千头 | 2026-9 |
| 1980 | 4082 | 千头 | 2026-9 |
| 1979 | 3880 | 千头 | 2026-9 |
| 1978 | 3730 | 千头 | 2026-9 |
| 1977 | 4583 | 千头 | 2026-9 |
| 1976 | 3440 | 千头 | 2026-9 |
| 1975 | 3279 | 千头 | 2026-9 |
| 1974 | 3400 | 千头 | 2026-9 |
| 1973 | 3957 | 千头 | 2026-9 |
| 1972 | 4385 | 千头 | 2026-9 |
| 1971 | 4374 | 千头 | 2026-9 |
| 1970 | 3822 | 千头 | 2026-9 |
| 1969 | 3676 | 千头 | 2026-9 |
| 1968 | 3379 | 千头 | 2026-9 |
| 1967 | 3202 | 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 |