| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 0 | 千吨 | 2026-9 |
| 1990/1991 | 80 | 千吨 | 2026-9 |
| 1989/1990 | 253 | 千吨 | 2026-9 |
| 1988/1989 | 187 | 千吨 | 2026-9 |
| 1987/1988 | 231 | 千吨 | 2026-9 |
| 1986/1987 | 262 | 千吨 | 2026-9 |
| 1985/1986 | 406 | 千吨 | 2026-9 |
| 1984/1985 | 417 | 千吨 | 2026-9 |
| 1983/1984 | 388 | 千吨 | 2026-9 |
| 1982/1983 | 187 | 千吨 | 2026-9 |
| 1981/1982 | 181 | 千吨 | 2026-9 |
| 1980/1981 | 145 | 千吨 | 2026-9 |
| 1979/1980 | 94 | 千吨 | 2026-9 |
| 1978/1979 | 285 | 千吨 | 2026-9 |
| 1977/1978 | 389 | 千吨 | 2026-9 |
| 1976/1977 | 357 | 千吨 | 2026-9 |
| 1975/1976 | 287 | 千吨 | 2026-9 |
| 1974/1975 | 78 | 千吨 | 2026-9 |
| 1973/1974 | 39 | 千吨 | 2026-9 |
| 1972/1973 | 116 | 千吨 | 2026-9 |
| 1971/1972 | 104 | 千吨 | 2026-9 |
| 1970/1971 | 71 | 千吨 | 2026-9 |
| 1969/1970 | 159 | 千吨 | 2026-9 |
| 1968/1969 | 236 | 千吨 | 2026-9 |
| 1967/1968 | 357 | 千吨 | 2026-9 |
| 1966/1967 | 363 | 千吨 | 2026-9 |
| 1965/1966 | 297 | 千吨 | 2026-9 |
| 1964/1965 | 233 | 千吨 | 2026-9 |
| 1963/1964 | 163 | 千吨 | 2026-9 |
| 1962/1963 | 180 | 千吨 | 2026-9 |
| 1961/1962 | 179 | 千吨 | 2026-9 |
| 1960/1961 | 182 | 千吨 | 2026-9 |