| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 310 | 千头 | 2026-9 |
| 1991 | 80 | 千头 | 2026-9 |
| 1990 | 40 | 千头 | 2026-9 |
| 1989 | 278 | 千头 | 2026-9 |
| 1988 | 319 | 千头 | 2026-9 |
| 1987 | 293 | 千头 | 2026-9 |
| 1986 | 156 | 千头 | 2026-9 |
| 1985 | 179 | 千头 | 2026-9 |
| 1984 | 308 | 千头 | 2026-9 |
| 1983 | 350 | 千头 | 2026-9 |
| 1982 | 273 | 千头 | 2026-9 |
| 1981 | 250 | 千头 | 2026-9 |
| 1980 | 262 | 千头 | 2026-9 |
| 1979 | 21 | 千头 | 2026-9 |
| 1978 | 3 | 千头 | 2026-9 |
| 1977 | 2 | 千头 | 2026-9 |
| 1976 | 9 | 千头 | 2026-9 |
| 1975 | 18 | 千头 | 2026-9 |
| 1974 | 85 | 千头 | 2026-9 |
| 1973 | 35 | 千头 | 2026-9 |
| 1972 | 18 | 千头 | 2026-9 |
| 1971 | 16 | 千头 | 2026-9 |
| 1970 | 17 | 千头 | 2026-9 |
| 1969 | 13 | 千头 | 2026-9 |
| 1968 | 13 | 千头 | 2026-9 |
| 1967 | 11 | 千头 | 2026-9 |
| 1966 | 27 | 千头 | 2026-9 |
| 1965 | 30 | 千头 | 2026-9 |
| 1964 | 20 | 千头 | 2026-9 |
| 1963 | 9 | 千头 | 2026-9 |
| 1962 | 2 | 千头 | 2026-9 |
| 1961 | 3 | 千头 | 2026-9 |
| 1960 | 4 | 千头 | 2026-9 |