| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 325 | 千头 | 2026-9 |
| 2025 | 315 | 千头 | 2026-9 |
| 2024 | 300 | 千头 | 2026-9 |
| 2023 | 290 | 千头 | 2026-9 |
| 2022 | 280 | 千头 | 2026-9 |
| 2021 | 270 | 千头 | 2026-9 |
| 2020 | 260 | 千头 | 2026-9 |
| 2019 | 250 | 千头 | 2026-9 |
| 2018 | 240 | 千头 | 2026-9 |
| 2017 | 230 | 千头 | 2026-9 |
| 2016 | 220 | 千头 | 2026-9 |
| 2015 | 275 | 千头 | 2026-9 |
| 2014 | 300 | 千头 | 2026-9 |
| 2013 | 300 | 千头 | 2026-9 |
| 2012 | 300 | 千头 | 2026-9 |
| 2011 | 300 | 千头 | 2026-9 |
| 2010 | 300 | 千头 | 2026-9 |
| 2009 | 325 | 千头 | 2026-9 |
| 2008 | 330 | 千头 | 2026-9 |
| 2007 | 337 | 千头 | 2026-9 |
| 2006 | 350 | 千头 | 2026-9 |
| 2005 | 375 | 千头 | 2026-9 |
| 2004 | 400 | 千头 | 2026-9 |
| 2003 | 400 | 千头 | 2026-9 |
| 2002 | 400 | 千头 | 2026-9 |
| 2001 | 425 | 千头 | 2026-9 |
| 2000 | 425 | 千头 | 2026-9 |
| 1999 | 425 | 千头 | 2026-9 |
| 1998 | 1600 | 千头 | 2026-9 |
| 1997 | 1700 | 千头 | 2026-9 |
| 1996 | 1650 | 千头 | 2026-9 |
| 1995 | 1700 | 千头 | 2026-9 |
| 1994 | 1730 | 千头 | 2026-9 |
| 1993 | 1700 | 千头 | 2026-9 |
| 1992 | 1700 | 千头 | 2026-9 |
| 1991 | 1720 | 千头 | 2026-9 |
| 1990 | 1900 | 千头 | 2026-9 |
| 1989 | 1930 | 千头 | 2026-9 |
| 1988 | 1915 | 千头 | 2026-9 |
| 1987 | 1605 | 千头 | 2026-9 |
| 1986 | 1579 | 千头 | 2026-9 |
| 1985 | 2055 | 千头 | 2026-9 |
| 1984 | 1760 | 千头 | 2026-9 |
| 1983 | 1088 | 千头 | 2026-9 |
| 1982 | 1075 | 千头 | 2026-9 |
| 1981 | 1695 | 千头 | 2026-9 |
| 1980 | 1580 | 千头 | 2026-9 |
| 1979 | 1473 | 千头 | 2026-9 |
| 1978 | 1393 | 千头 | 2026-9 |
| 1977 | 940 | 千头 | 2026-9 |
| 1976 | 1035 | 千头 | 2026-9 |
| 1975 | 1225 | 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 |