| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2007 | 11500 | 千头 | 2026-9 |
| 2006 | 11880 | 千头 | 2026-9 |
| 2005 | 11982 | 千头 | 2026-9 |
| 2004 | 11895 | 千头 | 2026-9 |
| 2003 | 10273 | 千头 | 2026-9 |
| 2002 | 10540 | 千头 | 2026-9 |
| 2001 | 11301 | 千头 | 2026-9 |
| 2000 | 10732 | 千头 | 2026-9 |
| 1999 | 9852 | 千头 | 2026-9 |
| 1998 | 9154 | 千头 | 2026-9 |
| 1997 | 12919 | 千头 | 2026-9 |
| 1996 | 16822 | 千头 | 2026-9 |
| 1995 | 16935 | 千头 | 2026-9 |
| 1994 | 15597 | 千头 | 2026-9 |
| 1993 | 14812 | 千头 | 2026-9 |
| 1992 | 14474 | 千头 | 2026-9 |
| 1991 | 16134 | 千头 | 2026-9 |
| 1990 | 13857 | 千头 | 2026-9 |
| 1989 | 12641 | 千头 | 2026-9 |
| 1988 | 11546 | 千头 | 2026-9 |
| 1987 | 11392 | 千头 | 2026-9 |
| 1986 | 11541 | 千头 | 2026-9 |
| 1985 | 10986 | 千头 | 2026-9 |
| 1984 | 10639 | 千头 | 2026-9 |
| 1983 | 8697 | 千头 | 2026-9 |
| 1982 | 7392 | 千头 | 2026-9 |
| 1981 | 7224 | 千头 | 2026-9 |
| 1980 | 6755 | 千头 | 2026-9 |
| 1979 | 8781 | 千头 | 2026-9 |
| 1978 | 6978 | 千头 | 2026-9 |
| 1977 | 6494 | 千头 | 2026-9 |
| 1976 | 0 | 千头 | 2026-9 |
| 1975 | 0 | 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 |