| 年度 | 数值 | 单位 | 发布日期 |
| 2009 | 14280 | 千头 | 2026-9 |
| 2008 | 14195 | 千头 | 2026-9 |
| 2007 | 14082 | 千头 | 2026-9 |
| 2006 | 13934 | 千头 | 2026-9 |
| 2005 | 13790 | 千头 | 2026-9 |
| 2004 | 13510 | 千头 | 2026-9 |
| 2003 | 13540 | 千头 | 2026-9 |
| 2002 | 13635 | 千头 | 2026-9 |
| 2001 | 13505 | 千头 | 2026-9 |
| 2000 | 13460 | 千头 | 2026-9 |
| 1999 | 13580 | 千头 | 2026-9 |
| 1998 | 13772 | 千头 | 2026-9 |
| 1997 | 13667 | 千头 | 2026-9 |
| 1996 | 14067 | 千头 | 2026-9 |
| 1995 | 13334 | 千头 | 2026-9 |
| 1994 | 12632 | 千头 | 2026-9 |
| 1993 | 12506 | 千头 | 2026-9 |
| 1992 | 13239 | 千头 | 2026-9 |
| 1991 | 13311 | 千头 | 2026-9 |
| 1990 | 13512 | 千头 | 2026-9 |
| 1989 | 13398 | 千头 | 2026-9 |
| 1988 | 12675 | 千头 | 2026-9 |
| 1987 | 12187 | 千头 | 2026-9 |
| 1986 | 12002 | 千头 | 2026-9 |
| 1985 | 11750 | 千头 | 2026-9 |
| 1984 | 12000 | 千头 | 2026-9 |
| 1983 | 12125 | 千头 | 2026-9 |
| 1982 | 12517 | 千头 | 2026-9 |
| 1981 | 13105 | 千头 | 2026-9 |
| 1980 | 12992 | 千头 | 2026-9 |
| 1979 | 13022 | 千头 | 2026-9 |
| 1978 | 13604 | 千头 | 2026-9 |
| 1977 | 13622 | 千头 | 2026-9 |
| 1976 | 13639 | 千头 | 2026-9 |
| 1975 | 13270 | 千头 | 2026-9 |
| 1974 | 12694 | 千头 | 2026-9 |
| 1973 | 12282 | 千头 | 2026-9 |
| 1972 | 11876 | 千头 | 2026-9 |
| 1971 | 11555 | 千头 | 2026-9 |
| 1970 | 11256 | 千头 | 2026-9 |
| 1969 | 10900 | 千头 | 2026-9 |
| 1968 | 10700 | 千头 | 2026-9 |
| 1967 | 10500 | 千头 | 2026-9 |
| 1966 | 11920 | 千头 | 2026-9 |
| 1965 | 12184 | 千头 | 2026-9 |
| 1964 | 12435 | 千头 | 2026-9 |
| 1963 | 12500 | 千头 | 2026-9 |
| 1962 | 12560 | 千头 | 2026-9 |
| 1961 | 12550 | 千头 | 2026-9 |
| 1960 | 12527 | 千头 | 2026-9 |