| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 20550 | 千头 | 2026-9 |
| 2025 | 20180 | 千头 | 2026-9 |
| 2024 | 20300 | 千头 | 2026-9 |
| 2023 | 20300 | 千头 | 2026-9 |
| 2022 | 20500 | 千头 | 2026-9 |
| 2021 | 20295 | 千头 | 2026-9 |
| 2020 | 20435 | 千头 | 2026-9 |
| 2019 | 20382 | 千头 | 2026-9 |
| 2018 | 19800 | 千头 | 2026-9 |
| 2017 | 19000 | 千头 | 2026-9 |
| 2016 | 18250 | 千头 | 2026-9 |
| 2015 | 18075 | 千头 | 2026-9 |
| 2014 | 17300 | 千头 | 2026-9 |
| 2013 | 17800 | 千头 | 2026-9 |
| 2012 | 17150 | 千头 | 2026-9 |
| 2011 | 16975 | 千头 | 2026-9 |
| 2010 | 16550 | 千头 | 2026-9 |
| 2009 | 15966 | 千头 | 2026-9 |
| 2008 | 15924 | 千头 | 2026-9 |
| 2007 | 15767 | 千头 | 2026-9 |
| 2006 | 15700 | 千头 | 2026-9 |
| 2005 | 15500 | 千头 | 2026-9 |
| 2004 | 15350 | 千头 | 2026-9 |
| 2003 | 15300 | 千头 | 2026-9 |
| 2002 | 15250 | 千头 | 2026-9 |
| 2001 | 15100 | 千头 | 2026-9 |
| 2000 | 14900 | 千头 | 2026-9 |
| 1999 | 14800 | 千头 | 2026-9 |
| 1998 | 14730 | 千头 | 2026-9 |
| 1997 | 14488 | 千头 | 2026-9 |
| 1996 | 13562 | 千头 | 2026-9 |
| 1995 | 14047 | 千头 | 2026-9 |
| 1994 | 14900 | 千头 | 2026-9 |
| 1993 | 14700 | 千头 | 2026-9 |
| 1992 | 14650 | 千头 | 2026-9 |
| 1991 | 14420 | 千头 | 2026-9 |
| 1990 | 12980 | 千头 | 2026-9 |
| 1989 | 14080 | 千头 | 2026-9 |
| 1988 | 14240 | 千头 | 2026-9 |
| 1987 | 14720 | 千头 | 2026-9 |
| 1986 | 15040 | 千头 | 2026-9 |
| 1985 | 15800 | 千头 | 2026-9 |
| 1984 | 15200 | 千头 | 2026-9 |
| 1983 | 17035 | 千头 | 2026-9 |
| 1982 | 16500 | 千头 | 2026-9 |
| 1981 | 15400 | 千头 | 2026-9 |
| 1980 | 15600 | 千头 | 2026-9 |
| 1979 | 15030 | 千头 | 2026-9 |
| 1978 | 14350 | 千头 | 2026-9 |
| 1977 | 13020 | 千头 | 2026-9 |
| 1976 | 12940 | 千头 | 2026-9 |
| 1975 | 12020 | 千头 | 2026-9 |
| 1974 | 0 | 千头 | 2026-9 |
| 1973 | 0 | 千头 | 2026-9 |
| 1972 | 0 | 千头 | 2026-9 |
| 1971 | 0 | 千头 | 2026-9 |
| 1970 | 0 | 千头 | 2026-9 |
| 1969 | 0 | 千头 | 2026-9 |
| 1968 | 0 | 千头 | 2026-9 |
| 1967 | 0 | 千头 | 2026-9 |
| 1966 | 0 | 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 |