| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1181 | 千吨 | 2026-9 |
| 1989/1990 | 1062 | 千吨 | 2026-9 |
| 1988/1989 | 1214 | 千吨 | 2026-9 |
| 1987/1988 | 1259 | 千吨 | 2026-9 |
| 1986/1987 | 1077 | 千吨 | 2026-9 |
| 1985/1986 | 1041 | 千吨 | 2026-9 |
| 1984/1985 | 979 | 千吨 | 2026-9 |
| 1983/1984 | 981 | 千吨 | 2026-9 |
| 1982/1983 | 785 | 千吨 | 2026-9 |
| 1981/1982 | 573 | 千吨 | 2026-9 |
| 1980/1981 | 652 | 千吨 | 2026-9 |
| 1979/1980 | 562 | 千吨 | 2026-9 |
| 1978/1979 | 412 | 千吨 | 2026-9 |
| 1977/1978 | 362 | 千吨 | 2026-9 |
| 1976/1977 | 315 | 千吨 | 2026-9 |
| 1975/1976 | 137 | 千吨 | 2026-9 |
| 1974/1975 | 139 | 千吨 | 2026-9 |
| 1973/1974 | 166 | 千吨 | 2026-9 |
| 1972/1973 | 155 | 千吨 | 2026-9 |
| 1970/1971 | 160 | 千吨 | 2026-9 |
| 1969/1970 | 114 | 千吨 | 2026-9 |
| 1968/1969 | 129 | 千吨 | 2026-9 |
| 1967/1968 | 112 | 千吨 | 2026-9 |
| 1966/1967 | 93 | 千吨 | 2026-9 |
| 1965/1966 | 127 | 千吨 | 2026-9 |
| 1964/1965 | 99 | 千吨 | 2026-9 |