| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2014 | 23100 | 千头 | 2026-9 |
| 2013 | 24950 | 千头 | 2026-9 |
| 2012 | 26779 | 千头 | 2026-9 |
| 2011 | 28306 | 千头 | 2026-9 |
| 2010 | 30729 | 千头 | 2026-9 |
| 2009 | 31882 | 千头 | 2026-9 |
| 2008 | 31264 | 千头 | 2026-9 |
| 2007 | 30250 | 千头 | 2026-9 |
| 2006 | 30575 | 千头 | 2026-9 |
| 2005 | 31070 | 千头 | 2026-9 |
| 2004 | 28787 | 千头 | 2026-9 |
| 2003 | 27151 | 千头 | 2026-9 |
| 2002 | 25827 | 千头 | 2026-9 |
| 2001 | 25600 | 千头 | 2026-9 |
| 2000 | 25200 | 千头 | 2026-9 |
| 1999 | 24750 | 千头 | 2026-9 |
| 1998 | 24457 | 千头 | 2026-9 |
| 1997 | 24003 | 千头 | 2026-9 |
| 1996 | 23363 | 千头 | 2026-9 |
| 1995 | 22701 | 千头 | 2026-9 |
| 1994 | 21685 | 千头 | 2026-9 |
| 1993 | 21102 | 千头 | 2026-9 |
| 1992 | 20939 | 千头 | 2026-9 |
| 1991 | 21080 | 千头 | 2026-9 |
| 1990 | 21366 | 千头 | 2026-9 |
| 1989 | 21707 | 千头 | 2026-9 |
| 1988 | 22429 | 千头 | 2026-9 |
| 1987 | 22655 | 千头 | 2026-9 |
| 1986 | 23660 | 千头 | 2026-9 |
| 1985 | 24923 | 千头 | 2026-9 |
| 1984 | 26191 | 千头 | 2026-9 |
| 1983 | 26435 | 千头 | 2026-9 |
| 1982 | 27015 | 千头 | 2026-9 |
| 1981 | 27526 | 千头 | 2026-9 |
| 1980 | 27885 | 千头 | 2026-9 |
| 1979 | 27329 | 千头 | 2026-9 |
| 1978 | 26719 | 千头 | 2026-9 |
| 1977 | 26006 | 千头 | 2026-9 |
| 1976 | 25712 | 千头 | 2026-9 |
| 1975 | 25144 | 千头 | 2026-9 |
| 1974 | 24325 | 千头 | 2026-9 |
| 1973 | 23507 | 千头 | 2026-9 |
| 1972 | 23228 | 千头 | 2026-9 |
| 1971 | 24516 | 千头 | 2026-9 |
| 1970 | 28284 | 千头 | 2026-9 |
| 1969 | 23669 | 千头 | 2026-9 |
| 1968 | 19510 | 千头 | 2026-9 |
| 1967 | 18708 | 千头 | 2026-9 |
| 1966 | 17946 | 千头 | 2026-9 |
| 1965 | 17357 | 千头 | 2026-9 |
| 1964 | 17003 | 千头 | 2026-9 |
| 1963 | 16702 | 千头 | 2026-9 |
| 1962 | 16401 | 千头 | 2026-9 |
| 1961 | 16000 | 千头 | 2026-9 |
| 1960 | 15500 | 千头 | 2026-9 |