| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 91 | 千吨 | 2026-9 |
| 1997/1998 | 96 | 千吨 | 2026-9 |
| 1996/1997 | 77 | 千吨 | 2026-9 |
| 1995/1996 | 269 | 千吨 | 2026-9 |
| 1994/1995 | 180 | 千吨 | 2026-9 |
| 1993/1994 | 98 | 千吨 | 2026-9 |
| 1992/1993 | 38 | 千吨 | 2026-9 |
| 1991/1992 | 36 | 千吨 | 2026-9 |
| 1990/1991 | 120 | 千吨 | 2026-9 |
| 1989/1990 | 504 | 千吨 | 2026-9 |
| 1988/1989 | 438 | 千吨 | 2026-9 |
| 1987/1988 | 719 | 千吨 | 2026-9 |
| 1986/1987 | 495 | 千吨 | 2026-9 |
| 1985/1986 | 837 | 千吨 | 2026-9 |
| 1984/1985 | 648 | 千吨 | 2026-9 |
| 1983/1984 | 2166 | 千吨 | 2026-9 |
| 1982/1983 | 1719 | 千吨 | 2026-9 |
| 1981/1982 | 1691 | 千吨 | 2026-9 |
| 1980/1981 | 1000 | 千吨 | 2026-9 |
| 1979/1980 | 1000 | 千吨 | 2026-9 |
| 1978/1979 | 1112 | 千吨 | 2026-9 |
| 1977/1978 | 999 | 千吨 | 2026-9 |
| 1976/1977 | 3305 | 千吨 | 2026-9 |
| 1975/1976 | 1445 | 千吨 | 2026-9 |
| 1974/1975 | 894 | 千吨 | 2026-9 |
| 1973/1974 | 1467 | 千吨 | 2026-9 |
| 1972/1973 | 5105 | 千吨 | 2026-9 |
| 1971/1972 | 5324 | 千吨 | 2026-9 |
| 1970/1971 | 6809 | 千吨 | 2026-9 |
| 1969/1970 | 4631 | 千吨 | 2026-9 |
| 1968/1969 | 4262 | 千吨 | 2026-9 |
| 1967/1968 | 4098 | 千吨 | 2026-9 |
| 1966/1967 | 4518 | 千吨 | 2026-9 |
| 1965/1966 | 5538 | 千吨 | 2026-9 |
| 1964/1965 | 4178 | 千吨 | 2026-9 |
| 1963/1964 | 4174 | 千吨 | 2026-9 |
| 1962/1963 | 3557 | 千吨 | 2026-9 |
| 1961/1962 | 4768 | 千吨 | 2026-9 |
| 1960/1961 | 3742 | 千吨 | 2026-9 |