| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 7005 | 千头 | 2026-9 |
| 2025 | 7196 | 千头 | 2026-9 |
| 2024 | 7499 | 千头 | 2026-9 |
| 2023 | 6912 | 千头 | 2026-9 |
| 2022 | 7627 | 千头 | 2026-9 |
| 2021 | 7492 | 千头 | 2026-9 |
| 2020 | 7420 | 千头 | 2026-9 |
| 2019 | 6990 | 千头 | 2026-9 |
| 2018 | 7655 | 千头 | 2026-9 |
| 2017 | 6815 | 千头 | 2026-9 |
| 2016 | 7230 | 千头 | 2026-9 |
| 2015 | 7188 | 千头 | 2026-9 |
| 2014 | 6772 | 千头 | 2026-9 |
| 2013 | 7207 | 千头 | 2026-9 |
| 2012 | 7784 | 千头 | 2026-9 |
| 2011 | 7632 | 千头 | 2026-9 |
| 2010 | 7351 | 千头 | 2026-9 |
| 2009 | 7341 | 千头 | 2026-9 |
| 2008 | 8663 | 千头 | 2026-9 |
| 2007 | 8602 | 千头 | 2026-9 |
| 2006 | 7905 | 千头 | 2026-9 |
| 2005 | 7727 | 千头 | 2026-9 |
| 2004 | 8144 | 千头 | 2026-9 |
| 2003 | 8878 | 千头 | 2026-9 |
| 2002 | 7940 | 千头 | 2026-9 |
| 2001 | 7709 | 千头 | 2026-9 |
| 2000 | 8527 | 千头 | 2026-9 |
| 1999 | 8194 | 千头 | 2026-9 |
| 1998 | 8288 | 千头 | 2026-9 |
| 1997 | 7562 | 千头 | 2026-9 |
| 1996 | 9525 | 千头 | 2026-9 |
| 1995 | 8748 | 千头 | 2026-9 |
| 1994 | 9265 | 千头 | 2026-9 |
| 1993 | 9518 | 千头 | 2026-9 |
| 1992 | 9624 | 千头 | 2026-9 |
| 1991 | 9383 | 千头 | 2026-9 |
| 1990 | 9398 | 千头 | 2026-9 |
| 1989 | 10674 | 千头 | 2026-9 |
| 1988 | 10059 | 千头 | 2026-9 |
| 1987 | 9272 | 千头 | 2026-9 |
| 1986 | 9276 | 千头 | 2026-9 |
| 1985 | 17153 | 千头 | 2026-9 |
| 1984 | 19413 | 千头 | 2026-9 |
| 1983 | 18336 | 千头 | 2026-9 |
| 1982 | 17264 | 千头 | 2026-9 |
| 1981 | 18030 | 千头 | 2026-9 |
| 1980 | 18036 | 千头 | 2026-9 |
| 1979 | 16289 | 千头 | 2026-9 |
| 1978 | 17417 | 千头 | 2026-9 |
| 1977 | 16200 | 千头 | 2026-9 |
| 1976 | 15379 | 千头 | 2026-9 |
| 1975 | 17265 | 千头 | 2026-9 |
| 1974 | 17689 | 千头 | 2026-9 |
| 1973 | 12764 | 千头 | 2026-9 |
| 1972 | 14068 | 千头 | 2026-9 |
| 1971 | 14923 | 千头 | 2026-9 |
| 1970 | 13290 | 千头 | 2026-9 |
| 1969 | 12333 | 千头 | 2026-9 |
| 1968 | 12705 | 千头 | 2026-9 |
| 1967 | 12943 | 千头 | 2026-9 |
| 1966 | 11893 | 千头 | 2026-9 |
| 1965 | 12527 | 千头 | 2026-9 |
| 1964 | 13458 | 千头 | 2026-9 |
| 1963 | 11628 | 千头 | 2026-9 |
| 1962 | 11535 | 千头 | 2026-9 |
| 1961 | 11722 | 千头 | 2026-9 |
| 1960 | 11570 | 千头 | 2026-9 |