| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 201 | 千吨 | 2026-9 |
| 1997/1998 | 207 | 千吨 | 2026-9 |
| 1996/1997 | 1710 | 千吨 | 2026-9 |
| 1995/1996 | 2390 | 千吨 | 2026-9 |
| 1994/1995 | 3151 | 千吨 | 2026-9 |
| 1993/1994 | 1710 | 千吨 | 2026-9 |
| 1992/1993 | 1372 | 千吨 | 2026-9 |
| 1991/1992 | 1296 | 千吨 | 2026-9 |
| 1990/1991 | 3072 | 千吨 | 2026-9 |
| 1989/1990 | 3631 | 千吨 | 2026-9 |
| 1988/1989 | 2438 | 千吨 | 2026-9 |
| 1987/1988 | 3157 | 千吨 | 2026-9 |
| 1986/1987 | 2746 | 千吨 | 2026-9 |
| 1985/1986 | 3925 | 千吨 | 2026-9 |
| 1984/1985 | 7624 | 千吨 | 2026-9 |
| 1983/1984 | 9084 | 千吨 | 2026-9 |
| 1982/1983 | 10867 | 千吨 | 2026-9 |
| 1981/1982 | 17226 | 千吨 | 2026-9 |
| 1980/1981 | 20288 | 千吨 | 2026-9 |
| 1979/1980 | 21096 | 千吨 | 2026-9 |
| 1978/1979 | 18243 | 千吨 | 2026-9 |
| 1977/1978 | 17818 | 千吨 | 2026-9 |
| 1976/1977 | 25575 | 千吨 | 2026-9 |
| 1975/1976 | 16993 | 千吨 | 2026-9 |
| 1974/1975 | 17295 | 千吨 | 2026-9 |
| 1973/1974 | 14834 | 千吨 | 2026-9 |
| 1972/1973 | 12889 | 千吨 | 2026-9 |
| 1971/1972 | 8135 | 千吨 | 2026-9 |
| 1970/1971 | 8076 | 千吨 | 2026-9 |
| 1969/1970 | 9022 | 千吨 | 2026-9 |
| 1968/1969 | 7778 | 千吨 | 2026-9 |
| 1967/1968 | 9635 | 千吨 | 2026-9 |
| 1966/1967 | 8747 | 千吨 | 2026-9 |
| 1965/1966 | 12058 | 千吨 | 2026-9 |
| 1964/1965 | 8199 | 千吨 | 2026-9 |
| 1963/1964 | 7362 | 千吨 | 2026-9 |
| 1962/1963 | 6997 | 千吨 | 2026-9 |
| 1961/1962 | 3745 | 千吨 | 2026-9 |
| 1960/1961 | 2598 | 千吨 | 2026-9 |