| 年度 | 数值 | 单位 | 发布日期 |
| 1998 | 200 | 千头 | 2026-9 |
| 1997 | 200 | 千头 | 2026-9 |
| 1996 | 250 | 千头 | 2026-9 |
| 1995 | 250 | 千头 | 2026-9 |
| 1994 | 350 | 千头 | 2026-9 |
| 1993 | 530 | 千头 | 2026-9 |
| 1992 | 550 | 千头 | 2026-9 |
| 1991 | 700 | 千头 | 2026-9 |
| 1990 | 600 | 千头 | 2026-9 |
| 1989 | 302 | 千头 | 2026-9 |
| 1988 | 490 | 千头 | 2026-9 |
| 1987 | 520 | 千头 | 2026-9 |
| 1986 | 580 | 千头 | 2026-9 |
| 1985 | 600 | 千头 | 2026-9 |
| 1984 | 590 | 千头 | 2026-9 |
| 1983 | 540 | 千头 | 2026-9 |
| 1982 | 650 | 千头 | 2026-9 |
| 1981 | 580 | 千头 | 2026-9 |
| 1980 | 817 | 千头 | 2026-9 |
| 1979 | 600 | 千头 | 2026-9 |
| 1978 | 600 | 千头 | 2026-9 |
| 1977 | 578 | 千头 | 2026-9 |
| 1976 | 614 | 千头 | 2026-9 |
| 1975 | 635 | 千头 | 2026-9 |
| 1974 | 630 | 千头 | 2026-9 |
| 1973 | 580 | 千头 | 2026-9 |
| 1972 | 580 | 千头 | 2026-9 |
| 1971 | 570 | 千头 | 2026-9 |
| 1970 | 580 | 千头 | 2026-9 |
| 1969 | 600 | 千头 | 2026-9 |
| 1968 | 590 | 千头 | 2026-9 |
| 1967 | 595 | 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 |