| 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 | 300 | 千吨 | 2026-9 |
| 1983/1984 | 314 | 千吨 | 2026-9 |
| 1982/1983 | 178 | 千吨 | 2026-9 |
| 1981/1982 | 200 | 千吨 | 2026-9 |
| 1980/1981 | 214 | 千吨 | 2026-9 |
| 1979/1980 | 80 | 千吨 | 2026-9 |
| 1978/1979 | 166 | 千吨 | 2026-9 |
| 1977/1978 | 162 | 千吨 | 2026-9 |
| 1976/1977 | 134 | 千吨 | 2026-9 |
| 1975/1976 | 131 | 千吨 | 2026-9 |
| 1974/1975 | 94 | 千吨 | 2026-9 |
| 1973/1974 | 117 | 千吨 | 2026-9 |
| 1972/1973 | 107 | 千吨 | 2026-9 |
| 1971/1972 | 101 | 千吨 | 2026-9 |
| 1970/1971 | 63 | 千吨 | 2026-9 |
| 1969/1970 | 48 | 千吨 | 2026-9 |
| 1968/1969 | 73 | 千吨 | 2026-9 |
| 1967/1968 | 85 | 千吨 | 2026-9 |
| 1966/1967 | 78 | 千吨 | 2026-9 |
| 1965/1966 | 74 | 千吨 | 2026-9 |
| 1964/1965 | 46 | 千吨 | 2026-9 |