| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 31100 | 千头 | 2026-9 |
| 2025 | 30363 | 千头 | 2026-9 |
| 2024 | 29655 | 千头 | 2026-9 |
| 2023 | 30257 | 千头 | 2026-9 |
| 2022 | 29507 | 千头 | 2026-9 |
| 2021 | 30196 | 千头 | 2026-9 |
| 2020 | 29550 | 千头 | 2026-9 |
| 2019 | 28352 | 千头 | 2026-9 |
| 2018 | 28052 | 千头 | 2026-9 |
| 2017 | 29105 | 千头 | 2026-9 |
| 2016 | 28812 | 千头 | 2026-9 |
| 2015 | 28983 | 千头 | 2026-9 |
| 2014 | 27197 | 千头 | 2026-9 |
| 2013 | 27136 | 千头 | 2026-9 |
| 2012 | 28337 | 千头 | 2026-9 |
| 2011 | 28645 | 千头 | 2026-9 |
| 2010 | 28613 | 千头 | 2026-9 |
| 2009 | 29410 | 千头 | 2026-9 |
| 2008 | 31274 | 千头 | 2026-9 |
| 2007 | 32032 | 千头 | 2026-9 |
| 2006 | 32351 | 千头 | 2026-9 |
| 2005 | 33020 | 千头 | 2026-9 |
| 2004 | 33242 | 千头 | 2026-9 |
| 2003 | 31421 | 千头 | 2026-9 |
| 2002 | 29695 | 千头 | 2026-9 |
| 2001 | 28205 | 千头 | 2026-9 |
| 2000 | 25968 | 千头 | 2026-9 |
| 1999 | 24715 | 千头 | 2026-9 |
| 1998 | 22542 | 千头 | 2026-9 |
| 1997 | 19911 | 千头 | 2026-9 |
| 1996 | 18668 | 千头 | 2026-9 |
| 1995 | 18614 | 千头 | 2026-9 |
| 1994 | 17898 | 千头 | 2026-9 |
| 1993 | 16567 | 千头 | 2026-9 |
| 1992 | 17028 | 千头 | 2026-9 |
| 1991 | 16480 | 千头 | 2026-9 |
| 1990 | 15972 | 千头 | 2026-9 |
| 1989 | 16527 | 千头 | 2026-9 |
| 1988 | 17103 | 千头 | 2026-9 |
| 1987 | 16606 | 千头 | 2026-9 |
| 1986 | 15225 | 千头 | 2026-9 |
| 1985 | 15350 | 千头 | 2026-9 |
| 1984 | 15800 | 千头 | 2026-9 |
| 1983 | 15000 | 千头 | 2026-9 |
| 1982 | 14000 | 千头 | 2026-9 |
| 1981 | 14000 | 千头 | 2026-9 |
| 1980 | 14550 | 千头 | 2026-9 |
| 1979 | 14050 | 千头 | 2026-9 |
| 1978 | 11799 | 千头 | 2026-9 |
| 1977 | 9800 | 千头 | 2026-9 |
| 1976 | 9575 | 千头 | 2026-9 |
| 1975 | 9100 | 千头 | 2026-9 |
| 1974 | 10450 | 千头 | 2026-9 |
| 1973 | 10800 | 千头 | 2026-9 |
| 1972 | 11060 | 千头 | 2026-9 |
| 1971 | 11300 | 千头 | 2026-9 |
| 1970 | 11596 | 千头 | 2026-9 |
| 1969 | 9418 | 千头 | 2026-9 |
| 1968 | 8859 | 千头 | 2026-9 |
| 1967 | 9599 | 千头 | 2026-9 |
| 1966 | 8649 | 千头 | 2026-9 |
| 1965 | 7433 | 千头 | 2026-9 |
| 1964 | 8504 | 千头 | 2026-9 |
| 1963 | 8025 | 千头 | 2026-9 |
| 1962 | 7578 | 千头 | 2026-9 |
| 1961 | 7734 | 千头 | 2026-9 |
| 1960 | 6763 | 千头 | 2026-9 |