| 年度 | 数值 | 单位 | 发布日期 |
| 2009 | 675 | 千头 | 2026-9 |
| 2008 | 675 | 千头 | 2026-9 |
| 2007 | 675 | 千头 | 2026-9 |
| 2006 | 650 | 千头 | 2026-9 |
| 2005 | 650 | 千头 | 2026-9 |
| 2004 | 625 | 千头 | 2026-9 |
| 2003 | 575 | 千头 | 2026-9 |
| 2002 | 625 | 千头 | 2026-9 |
| 2001 | 625 | 千头 | 2026-9 |
| 2000 | 650 | 千头 | 2026-9 |
| 1999 | 625 | 千头 | 2026-9 |
| 1998 | 575 | 千头 | 2026-9 |
| 1997 | 410 | 千头 | 2026-9 |
| 1996 | 408 | 千头 | 2026-9 |
| 1995 | 450 | 千头 | 2026-9 |
| 1994 | 450 | 千头 | 2026-9 |
| 1993 | 430 | 千头 | 2026-9 |
| 1992 | 420 | 千头 | 2026-9 |
| 1986 | 340 | 千头 | 2026-9 |
| 1985 | 350 | 千头 | 2026-9 |
| 1984 | 380 | 千头 | 2026-9 |
| 1983 | 378 | 千头 | 2026-9 |
| 1982 | 416 | 千头 | 2026-9 |
| 1981 | 396 | 千头 | 2026-9 |
| 1980 | 450 | 千头 | 2026-9 |
| 1979 | 588 | 千头 | 2026-9 |
| 1978 | 624 | 千头 | 2026-9 |
| 1977 | 740 | 千头 | 2026-9 |
| 1976 | 660 | 千头 | 2026-9 |
| 1975 | 622 | 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 |