| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 47 | 千头 | 2026-9 |
| 1991 | 53 | 千头 | 2026-9 |
| 1990 | 70 | 千头 | 2026-9 |
| 1989 | 75 | 千头 | 2026-9 |
| 1988 | 71 | 千头 | 2026-9 |
| 1987 | 95 | 千头 | 2026-9 |
| 1986 | 140 | 千头 | 2026-9 |
| 1985 | 151 | 千头 | 2026-9 |
| 1984 | 136 | 千头 | 2026-9 |
| 1983 | 124 | 千头 | 2026-9 |
| 1982 | 123 | 千头 | 2026-9 |
| 1981 | 130 | 千头 | 2026-9 |
| 1980 | 129 | 千头 | 2026-9 |
| 1979 | 127 | 千头 | 2026-9 |
| 1978 | 132 | 千头 | 2026-9 |
| 1977 | 145 | 千头 | 2026-9 |
| 1976 | 172 | 千头 | 2026-9 |
| 1975 | 185 | 千头 | 2026-9 |
| 1974 | 192 | 千头 | 2026-9 |
| 1973 | 169 | 千头 | 2026-9 |
| 1972 | 171 | 千头 | 2026-9 |
| 1971 | 210 | 千头 | 2026-9 |
| 1970 | 233 | 千头 | 2026-9 |
| 1969 | 239 | 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 |