| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 345 | 千头 | 2026-9 |
| 2025 | 319 | 千头 | 2026-9 |
| 2024 | 205 | 千头 | 2026-9 |
| 2023 | 245 | 千头 | 2026-9 |
| 2022 | 268 | 千头 | 2026-9 |
| 2021 | 250 | 千头 | 2026-9 |
| 2020 | 114 | 千头 | 2026-9 |
| 2019 | 97 | 千头 | 2026-9 |
| 2018 | 151 | 千头 | 2026-9 |
| 2017 | 150 | 千头 | 2026-9 |
| 2016 | 171 | 千头 | 2026-9 |
| 2015 | 190 | 千头 | 2026-9 |
| 2014 | 241 | 千头 | 2026-9 |
| 2013 | 246 | 千头 | 2026-9 |
| 2012 | 465 | 千头 | 2026-9 |
| 2011 | 500 | 千头 | 2026-9 |
| 2010 | 450 | 千头 | 2026-9 |
| 2009 | 492 | 千头 | 2026-9 |
| 2008 | 475 | 千头 | 2026-9 |
| 2007 | 500 | 千头 | 2026-9 |
| 2006 | 600 | 千头 | 2026-9 |
| 2005 | 591 | 千头 | 2026-9 |
| 2004 | 608 | 千头 | 2026-9 |
| 2003 | 600 | 千头 | 2026-9 |
| 2002 | 488 | 千头 | 2026-9 |
| 2001 | 619 | 千头 | 2026-9 |
| 2000 | 438 | 千头 | 2026-9 |
| 1999 | 787 | 千头 | 2026-9 |
| 1998 | 4326 | 千头 | 2026-9 |
| 1997 | 494 | 千头 | 2026-9 |
| 1996 | 801 | 千头 | 2026-9 |
| 1995 | 254 | 千头 | 2026-9 |
| 1994 | 573 | 千头 | 2026-9 |
| 1993 | 546 | 千头 | 2026-9 |
| 1992 | 900 | 千头 | 2026-9 |
| 1991 | 800 | 千头 | 2026-9 |
| 1990 | 1000 | 千头 | 2026-9 |
| 1989 | 1375 | 千头 | 2026-9 |
| 1988 | 1075 | 千头 | 2026-9 |
| 1987 | 750 | 千头 | 2026-9 |
| 1986 | 815 | 千头 | 2026-9 |
| 1985 | 1290 | 千头 | 2026-9 |
| 1984 | 800 | 千头 | 2026-9 |
| 1983 | 1144 | 千头 | 2026-9 |
| 1982 | 2637 | 千头 | 2026-9 |
| 1981 | 810 | 千头 | 2026-9 |
| 1980 | 780 | 千头 | 2026-9 |
| 1979 | 755 | 千头 | 2026-9 |
| 1978 | 735 | 千头 | 2026-9 |
| 1977 | 870 | 千头 | 2026-9 |
| 1976 | 700 | 千头 | 2026-9 |
| 1975 | 830 | 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 |