| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998 | 3000 | 千头 | 2026-9 |
| 1997 | 2880 | 千头 | 2026-9 |
| 1996 | 4251 | 千头 | 2026-9 |
| 1995 | 3546 | 千头 | 2026-9 |
| 1994 | 3744 | 千头 | 2026-9 |
| 1993 | 3618 | 千头 | 2026-9 |
| 1992 | 4885 | 千头 | 2026-9 |
| 1991 | 6737 | 千头 | 2026-9 |
| 1990 | 5978 | 千头 | 2026-9 |
| 1989 | 5416 | 千头 | 2026-9 |
| 1988 | 5777 | 千头 | 2026-9 |
| 1987 | 5945 | 千头 | 2026-9 |
| 1986 | 4870 | 千头 | 2026-9 |
| 1985 | 4830 | 千头 | 2026-9 |
| 1984 | 4800 | 千头 | 2026-9 |
| 1983 | 4610 | 千头 | 2026-9 |
| 1982 | 4850 | 千头 | 2026-9 |
| 1981 | 4610 | 千头 | 2026-9 |
| 1980 | 4600 | 千头 | 2026-9 |
| 1979 | 4475 | 千头 | 2026-9 |
| 1978 | 3950 | 千头 | 2026-9 |
| 1977 | 3950 | 千头 | 2026-9 |
| 1976 | 4543 | 千头 | 2026-9 |
| 1975 | 4030 | 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 |