| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 29901 | 千头 | 2026-9 |
| 1991 | 28616 | 千头 | 2026-9 |
| 1990 | 30463 | 千头 | 2026-9 |
| 1989 | 29549 | 千头 | 2026-9 |
| 1988 | 29749 | 千头 | 2026-9 |
| 1987 | 28423 | 千头 | 2026-9 |
| 1986 | 28140 | 千头 | 2026-9 |
| 1985 | 25988 | 千头 | 2026-9 |
| 1984 | 24217 | 千头 | 2026-9 |
| 1983 | 22754 | 千头 | 2026-9 |
| 1982 | 22108 | 千头 | 2026-9 |
| 1981 | 21641 | 千头 | 2026-9 |
| 1980 | 20760 | 千头 | 2026-9 |
| 1979 | 19916 | 千头 | 2026-9 |
| 1978 | 19181 | 千头 | 2026-9 |
| 1977 | 17284 | 千头 | 2026-9 |
| 1976 | 15308 | 千头 | 2026-9 |
| 1975 | 14364 | 千头 | 2026-9 |
| 1974 | 13842 | 千头 | 2026-9 |
| 1973 | 12905 | 千头 | 2026-9 |
| 1972 | 12229 | 千头 | 2026-9 |
| 1971 | 11593 | 千头 | 2026-9 |
| 1970 | 10735 | 千头 | 2026-9 |
| 1969 | 9245 | 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 |