| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 8155 | 千头 | 2026-9 |
| 2025 | 8249 | 千头 | 2026-9 |
| 2024 | 8991 | 千头 | 2026-9 |
| 2023 | 9505 | 千头 | 2026-9 |
| 2022 | 9559 | 千头 | 2026-9 |
| 2021 | 9655 | 千头 | 2026-9 |
| 2020 | 9756 | 千头 | 2026-9 |
| 2019 | 10176 | 千头 | 2026-9 |
| 2018 | 13401 | 千头 | 2026-9 |
| 2017 | 13281 | 千头 | 2026-9 |
| 2016 | 13569 | 千头 | 2026-9 |
| 2015 | 14477 | 千头 | 2026-9 |
| 2014 | 14803 | 千头 | 2026-9 |
| 2013 | 15026 | 千头 | 2026-9 |
| 2012 | 14554 | 千头 | 2026-9 |
| 2011 | 14396 | 千头 | 2026-9 |
| 2010 | 14050 | 千头 | 2026-9 |
| 2009 | 14175 | 千头 | 2026-9 |
| 2008 | 13015 | 千头 | 2026-9 |
| 2007 | 13391 | 千头 | 2026-9 |
| 2006 | 12149 | 千头 | 2026-9 |
| 2005 | 12770 | 千头 | 2026-9 |
| 2004 | 15686 | 千头 | 2026-9 |
| 2003 | 19101 | 千头 | 2026-9 |
| 2002 | 18169 | 千头 | 2026-9 |
| 2001 | 18162 | 千头 | 2026-9 |
| 2000 | 18788 | 千头 | 2026-9 |
| 1999 | 19228 | 千头 | 2026-9 |
| 1998 | 15266 | 千头 | 2026-9 |
| 1997 | 15821 | 千头 | 2026-9 |
| 1996 | 15373 | 千头 | 2026-9 |
| 1995 | 15284 | 千头 | 2026-9 |
| 1994 | 14746 | 千头 | 2026-9 |
| 1993 | 14436 | 千头 | 2026-9 |
| 1992 | 22632 | 千头 | 2026-9 |
| 1991 | 22977 | 千头 | 2026-9 |
| 1990 | 23129 | 千头 | 2026-9 |
| 1989 | 23135 | 千头 | 2026-9 |
| 1988 | 23361 | 千头 | 2026-9 |
| 1987 | 24270 | 千头 | 2026-9 |
| 1986 | 25921 | 千头 | 2026-9 |
| 1985 | 25992 | 千头 | 2026-9 |
| 1984 | 25841 | 千头 | 2026-9 |
| 1983 | 24464 | 千头 | 2026-9 |
| 1982 | 25031 | 千头 | 2026-9 |
| 1981 | 24719 | 千头 | 2026-9 |
| 1980 | 23333 | 千头 | 2026-9 |
| 1979 | 24478 | 千头 | 2026-9 |
| 1978 | 27160 | 千头 | 2026-9 |
| 1977 | 28052 | 千头 | 2026-9 |
| 1976 | 27040 | 千头 | 2026-9 |
| 1975 | 27221 | 千头 | 2026-9 |
| 1974 | 20956 | 千头 | 2026-9 |
| 1973 | 17536 | 千头 | 2026-9 |
| 1972 | 18637 | 千头 | 2026-9 |
| 1971 | 21250 | 千头 | 2026-9 |
| 1970 | 22837 | 千头 | 2026-9 |
| 1969 | 23217 | 千头 | 2026-9 |
| 1968 | 22395 | 千头 | 2026-9 |
| 1967 | 22294 | 千头 | 2026-9 |
| 1966 | 19125 | 千头 | 2026-9 |
| 1965 | 19625 | 千头 | 2026-9 |
| 1964 | 19698 | 千头 | 2026-9 |
| 1963 | 21213 | 千头 | 2026-9 |
| 1962 | 16814 | 千头 | 2026-9 |
| 1961 | 15717 | 千头 | 2026-9 |
| 1960 | 15778 | 千头 | 2026-9 |