| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990 | 13732 | 千头 | 2026-9 |
| 1989 | 13498 | 千头 | 2026-9 |
| 1988 | 16104 | 千头 | 2026-9 |
| 1987 | 15735 | 千头 | 2026-9 |
| 1986 | 15382 | 千头 | 2026-9 |
| 1985 | 15485 | 千头 | 2026-9 |
| 1984 | 15005 | 千头 | 2026-9 |
| 1983 | 15379 | 千头 | 2026-9 |
| 1982 | 14287 | 千头 | 2026-9 |
| 1981 | 14788 | 千头 | 2026-9 |
| 1980 | 14908 | 千头 | 2026-9 |
| 1979 | 13904 | 千头 | 2026-9 |
| 1978 | 13334 | 千头 | 2026-9 |
| 1977 | 13795 | 千头 | 2026-9 |
| 1976 | 12245 | 千头 | 2026-9 |
| 1975 | 12561 | 千头 | 2026-9 |
| 1974 | 11998 | 千头 | 2026-9 |
| 1973 | 11073 | 千头 | 2026-9 |
| 1972 | 10422 | 千头 | 2026-9 |
| 1971 | 9709 | 千头 | 2026-9 |
| 1970 | 9347 | 千头 | 2026-9 |
| 1969 | 9215 | 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 |