| 年度 | 数值 | 单位 | 发布日期 |
| 1993 | 300 | 千头 | 2026-9 |
| 1992 | 300 | 千头 | 2026-9 |
| 1991 | 184 | 千头 | 2026-9 |
| 1990 | 550 | 千头 | 2026-9 |
| 1989 | 350 | 千头 | 2026-9 |
| 1988 | 470 | 千头 | 2026-9 |
| 1987 | 785 | 千头 | 2026-9 |
| 1986 | 652 | 千头 | 2026-9 |
| 1985 | 1035 | 千头 | 2026-9 |
| 1984 | 920 | 千头 | 2026-9 |
| 1983 | 800 | 千头 | 2026-9 |
| 1982 | 1286 | 千头 | 2026-9 |
| 1981 | 947 | 千头 | 2026-9 |
| 1980 | 911 | 千头 | 2026-9 |
| 1979 | 912 | 千头 | 2026-9 |
| 1978 | 901 | 千头 | 2026-9 |
| 1977 | 818 | 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 |