| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998 | 880 | 千头 | 2026-9 |
| 1997 | 945 | 千头 | 2026-9 |
| 1996 | 950 | 千头 | 2026-9 |
| 1995 | 1010 | 千头 | 2026-9 |
| 1994 | 1020 | 千头 | 2026-9 |
| 1993 | 1011 | 千头 | 2026-9 |
| 1992 | 1225 | 千头 | 2026-9 |
| 1991 | 1000 | 千头 | 2026-9 |
| 1990 | 1295 | 千头 | 2026-9 |
| 1989 | 1400 | 千头 | 2026-9 |
| 1988 | 1293 | 千头 | 2026-9 |
| 1987 | 1750 | 千头 | 2026-9 |
| 1986 | 1650 | 千头 | 2026-9 |
| 1985 | 1800 | 千头 | 2026-9 |
| 1984 | 1795 | 千头 | 2026-9 |
| 1983 | 2095 | 千头 | 2026-9 |
| 1982 | 1575 | 千头 | 2026-9 |
| 1981 | 1800 | 千头 | 2026-9 |
| 1980 | 1898 | 千头 | 2026-9 |
| 1979 | 2123 | 千头 | 2026-9 |
| 1978 | 2082 | 千头 | 2026-9 |
| 1977 | 1886 | 千头 | 2026-9 |
| 1976 | 1932 | 千头 | 2026-9 |
| 1975 | 1724 | 千头 | 2026-9 |
| 1974 | 1578 | 千头 | 2026-9 |
| 1973 | 1674 | 千头 | 2026-9 |
| 1972 | 1609 | 千头 | 2026-9 |
| 1971 | 1636 | 千头 | 2026-9 |
| 1970 | 1550 | 千头 | 2026-9 |
| 1969 | 1250 | 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 |