| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 8300 | 千头 | 2026-9 |
| 2025 | 8100 | 千头 | 2026-9 |
| 2024 | 8075 | 千头 | 2026-9 |
| 2023 | 8050 | 千头 | 2026-9 |
| 2022 | 8000 | 千头 | 2026-9 |
| 2021 | 7950 | 千头 | 2026-9 |
| 2020 | 7900 | 千头 | 2026-9 |
| 2019 | 7700 | 千头 | 2026-9 |
| 2018 | 7500 | 千头 | 2026-9 |
| 2017 | 7300 | 千头 | 2026-9 |
| 2016 | 6800 | 千头 | 2026-9 |
| 2015 | 6700 | 千头 | 2026-9 |
| 2014 | 6700 | 千头 | 2026-9 |
| 2013 | 6750 | 千头 | 2026-9 |
| 2012 | 6900 | 千头 | 2026-9 |
| 2011 | 7000 | 千头 | 2026-9 |
| 2010 | 6960 | 千头 | 2026-9 |
| 2009 | 6909 | 千头 | 2026-9 |
| 2008 | 6810 | 千头 | 2026-9 |
| 2007 | 6711 | 千头 | 2026-9 |
| 2006 | 7000 | 千头 | 2026-9 |
| 2005 | 8000 | 千头 | 2026-9 |
| 2004 | 9000 | 千头 | 2026-9 |
| 2003 | 9500 | 千头 | 2026-9 |
| 2002 | 10000 | 千头 | 2026-9 |
| 2001 | 10800 | 千头 | 2026-9 |
| 2000 | 10800 | 千头 | 2026-9 |
| 1999 | 10700 | 千头 | 2026-9 |
| 1998 | 11200 | 千头 | 2026-9 |
| 1997 | 11000 | 千头 | 2026-9 |
| 1996 | 11500 | 千头 | 2026-9 |
| 1995 | 12000 | 千头 | 2026-9 |
| 1994 | 13000 | 千头 | 2026-9 |
| 1993 | 12850 | 千头 | 2026-9 |
| 1992 | 12500 | 千头 | 2026-9 |
| 1991 | 12210 | 千头 | 2026-9 |
| 1990 | 11860 | 千头 | 2026-9 |
| 1989 | 12720 | 千头 | 2026-9 |
| 1988 | 12808 | 千头 | 2026-9 |
| 1987 | 11979 | 千头 | 2026-9 |
| 1986 | 11696 | 千头 | 2026-9 |
| 1985 | 11235 | 千头 | 2026-9 |
| 1984 | 11120 | 千头 | 2026-9 |
| 1983 | 10920 | 千头 | 2026-9 |
| 1982 | 11364 | 千头 | 2026-9 |
| 1981 | 11113 | 千头 | 2026-9 |
| 1980 | 10615 | 千头 | 2026-9 |
| 1979 | 10016 | 千头 | 2026-9 |
| 1978 | 9747 | 千头 | 2026-9 |
| 1977 | 9470 | 千头 | 2026-9 |
| 1976 | 9340 | 千头 | 2026-9 |
| 1975 | 9108 | 千头 | 2026-9 |
| 1974 | 5415 | 千头 | 2026-9 |
| 1973 | 5265 | 千头 | 2026-9 |
| 1972 | 5135 | 千头 | 2026-9 |
| 1971 | 13992 | 千头 | 2026-9 |
| 1970 | 13166 | 千头 | 2026-9 |
| 1969 | 12493 | 千头 | 2026-9 |
| 1968 | 12317 | 千头 | 2026-9 |
| 1967 | 11748 | 千头 | 2026-9 |
| 1966 | 11445 | 千头 | 2026-9 |
| 1965 | 0 | 千头 | 2026-9 |
| 1964 | 0 | 千头 | 2026-9 |
| 1963 | 0 | 千头 | 2026-9 |
| 1962 | 0 | 千头 | 2026-9 |
| 1961 | 0 | 千头 | 2026-9 |
| 1960 | 0 | 千头 | 2026-9 |