| 年度 | 数值 | 单位 | 发布日期 |
| 1992 | 10440 | 千头 | 2026-9 |
| 1991 | 9572 | 千头 | 2026-9 |
| 1990 | 8810 | 千头 | 2026-9 |
| 1989 | 9743 | 千头 | 2026-9 |
| 1988 | 9663 | 千头 | 2026-9 |
| 1987 | 9230 | 千头 | 2026-9 |
| 1986 | 8985 | 千头 | 2026-9 |
| 1985 | 8697 | 千头 | 2026-9 |
| 1984 | 8525 | 千头 | 2026-9 |
| 1983 | 8696 | 千头 | 2026-9 |
| 1982 | 8837 | 千头 | 2026-9 |
| 1981 | 9231 | 千头 | 2026-9 |
| 1980 | 9454 | 千头 | 2026-9 |
| 1979 | 9333 | 千头 | 2026-9 |
| 1978 | 9412 | 千头 | 2026-9 |
| 1977 | 9274 | 千头 | 2026-9 |
| 1976 | 9056 | 千头 | 2026-9 |
| 1975 | 8894 | 千头 | 2026-9 |
| 1974 | 9444 | 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 |