| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992 | 24048 | 千头 | 2026-9 |
| 1991 | 22514 | 千头 | 2026-9 |
| 1990 | 20746 | 千头 | 2026-9 |
| 1989 | 19999 | 千头 | 2026-9 |
| 1988 | 19131 | 千头 | 2026-9 |
| 1987 | 19641 | 千头 | 2026-9 |
| 1986 | 20566 | 千头 | 2026-9 |
| 1985 | 19226 | 千头 | 2026-9 |
| 1984 | 18586 | 千头 | 2026-9 |
| 1983 | 18610 | 千头 | 2026-9 |
| 1982 | 17907 | 千头 | 2026-9 |
| 1981 | 18706 | 千头 | 2026-9 |
| 1980 | 18679 | 千头 | 2026-9 |
| 1979 | 16668 | 千头 | 2026-9 |
| 1978 | 16389 | 千头 | 2026-9 |
| 1977 | 14334 | 千头 | 2026-9 |
| 1976 | 13748 | 千头 | 2026-9 |
| 1975 | 12848 | 千头 | 2026-9 |
| 1974 | 13414 | 千头 | 2026-9 |
| 1973 | 13638 | 千头 | 2026-9 |
| 1972 | 14636 | 千头 | 2026-9 |
| 1971 | 14975 | 千头 | 2026-9 |
| 1970 | 14748 | 千头 | 2026-9 |
| 1969 | 14366 | 千头 | 2026-9 |
| 1968 | 14041 | 千头 | 2026-9 |
| 1967 | 14585 | 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 |