| 年度 | 数值 | 单位 | 发布日期 |
| 1992 | 90 | 千头 | 2026-9 |
| 1991 | 115 | 千头 | 2026-9 |
| 1990 | 150 | 千头 | 2026-9 |
| 1989 | 217 | 千头 | 2026-9 |
| 1988 | 227 | 千头 | 2026-9 |
| 1987 | 310 | 千头 | 2026-9 |
| 1986 | 123 | 千头 | 2026-9 |
| 1985 | 110 | 千头 | 2026-9 |
| 1984 | 114 | 千头 | 2026-9 |
| 1983 | 86 | 千头 | 2026-9 |
| 1982 | 118 | 千头 | 2026-9 |
| 1981 | 135 | 千头 | 2026-9 |
| 1980 | 64 | 千头 | 2026-9 |
| 1979 | 105 | 千头 | 2026-9 |
| 1978 | 36 | 千头 | 2026-9 |
| 1977 | 26 | 千头 | 2026-9 |
| 1976 | 30 | 千头 | 2026-9 |
| 1975 | 50 | 千头 | 2026-9 |
| 1974 | 8 | 千头 | 2026-9 |
| 1973 | 22 | 千头 | 2026-9 |
| 1972 | 171 | 千头 | 2026-9 |
| 1971 | 126 | 千头 | 2026-9 |
| 1970 | 77 | 千头 | 2026-9 |
| 1969 | 115 | 千头 | 2026-9 |
| 1968 | 170 | 千头 | 2026-9 |
| 1967 | 102 | 千头 | 2026-9 |
| 1966 | 63 | 千头 | 2026-9 |
| 1965 | 26 | 千头 | 2026-9 |
| 1964 | 45 | 千头 | 2026-9 |
| 1963 | 105 | 千头 | 2026-9 |
| 1962 | 92 | 千头 | 2026-9 |
| 1961 | 150 | 千头 | 2026-9 |
| 1960 | 97 | 千头 | 2026-9 |