| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992/1993 | 375 | 千吨 | 2026-9 |
| 1991/1992 | 445 | 千吨 | 2026-9 |
| 1990/1991 | 380 | 千吨 | 2026-9 |
| 1989/1990 | 387 | 千吨 | 2026-9 |
| 1988/1989 | 380 | 千吨 | 2026-9 |
| 1987/1988 | 337 | 千吨 | 2026-9 |
| 1986/1987 | 306 | 千吨 | 2026-9 |
| 1985/1986 | 285 | 千吨 | 2026-9 |
| 1984/1985 | 322 | 千吨 | 2026-9 |
| 1983/1984 | 314 | 千吨 | 2026-9 |
| 1982/1983 | 186 | 千吨 | 2026-9 |
| 1981/1982 | 206 | 千吨 | 2026-9 |
| 1980/1981 | 222 | 千吨 | 2026-9 |
| 1979/1980 | 91 | 千吨 | 2026-9 |
| 1978/1979 | 183 | 千吨 | 2026-9 |
| 1977/1978 | 170 | 千吨 | 2026-9 |
| 1976/1977 | 159 | 千吨 | 2026-9 |
| 1975/1976 | 161 | 千吨 | 2026-9 |
| 1974/1975 | 120 | 千吨 | 2026-9 |
| 1973/1974 | 132 | 千吨 | 2026-9 |
| 1972/1973 | 107 | 千吨 | 2026-9 |
| 1971/1972 | 102 | 千吨 | 2026-9 |
| 1970/1971 | 125 | 千吨 | 2026-9 |
| 1969/1970 | 68 | 千吨 | 2026-9 |
| 1968/1969 | 85 | 千吨 | 2026-9 |
| 1967/1968 | 93 | 千吨 | 2026-9 |
| 1966/1967 | 82 | 千吨 | 2026-9 |
| 1965/1966 | 88 | 千吨 | 2026-9 |
| 1964/1965 | 83 | 千吨 | 2026-9 |