| 年度 | 数值 | 单位 | 发布日期 |
| 1993 | 4390 | 千头 | 2026-9 |
| 1992 | 4450 | 千头 | 2026-9 |
| 1991 | 4400 | 千头 | 2026-9 |
| 1990 | 4450 | 千头 | 2026-9 |
| 1989 | 4420 | 千头 | 2026-9 |
| 1988 | 4560 | 千头 | 2026-9 |
| 1987 | 4370 | 千头 | 2026-9 |
| 1984 | 3375 | 千头 | 2026-9 |
| 1983 | 3400 | 千头 | 2026-9 |
| 1982 | 3690 | 千头 | 2026-9 |
| 1981 | 5750 | 千头 | 2026-9 |
| 1980 | 5750 | 千头 | 2026-9 |
| 1979 | 5180 | 千头 | 2026-9 |
| 1978 | 5320 | 千头 | 2026-9 |
| 1977 | 5490 | 千头 | 2026-9 |
| 1976 | 5880 | 千头 | 2026-9 |
| 1975 | 5940 | 千头 | 2026-9 |
| 1974 | 5975 | 千头 | 2026-9 |
| 1973 | 1800 | 千头 | 2026-9 |
| 1972 | 1689 | 千头 | 2026-9 |
| 1971 | 2071 | 千头 | 2026-9 |
| 1970 | 1930 | 千头 | 2026-9 |
| 1969 | 1939 | 千头 | 2026-9 |
| 1968 | 1813 | 千头 | 2026-9 |
| 1967 | 1750 | 千头 | 2026-9 |
| 1966 | 1782 | 千头 | 2026-9 |
| 1965 | 1843 | 千头 | 2026-9 |
| 1964 | 1997 | 千头 | 2026-9 |
| 1963 | 1897 | 千头 | 2026-9 |
| 1962 | 1807 | 千头 | 2026-9 |
| 1961 | 1738 | 千头 | 2026-9 |
| 1960 | 1679 | 千头 | 2026-9 |