| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 199 | 千吨 | 2026-9 |
| 1989/1990 | 255 | 千吨 | 2026-9 |
| 1988/1989 | 235 | 千吨 | 2026-9 |
| 1987/1988 | 190 | 千吨 | 2026-9 |
| 1986/1987 | 170 | 千吨 | 2026-9 |
| 1985/1986 | 151 | 千吨 | 2026-9 |
| 1984/1985 | 177 | 千吨 | 2026-9 |
| 1983/1984 | 197 | 千吨 | 2026-9 |
| 1982/1983 | 188 | 千吨 | 2026-9 |
| 1981/1982 | 225 | 千吨 | 2026-9 |
| 1980/1981 | 206 | 千吨 | 2026-9 |
| 1979/1980 | 242 | 千吨 | 2026-9 |
| 1978/1979 | 211 | 千吨 | 2026-9 |
| 1977/1978 | 204 | 千吨 | 2026-9 |
| 1976/1977 | 178 | 千吨 | 2026-9 |
| 1975/1976 | 145 | 千吨 | 2026-9 |
| 1974/1975 | 126 | 千吨 | 2026-9 |
| 1973/1974 | 138 | 千吨 | 2026-9 |
| 1972/1973 | 140 | 千吨 | 2026-9 |
| 1971/1972 | 138 | 千吨 | 2026-9 |
| 1970/1971 | 124 | 千吨 | 2026-9 |
| 1969/1970 | 144 | 千吨 | 2026-9 |
| 1968/1969 | 128 | 千吨 | 2026-9 |
| 1967/1968 | 84 | 千吨 | 2026-9 |
| 1966/1967 | 66 | 千吨 | 2026-9 |
| 1965/1966 | 69 | 千吨 | 2026-9 |
| 1964/1965 | 82 | 千吨 | 2026-9 |