| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1991/1992 | 1874 | 千吨 | 2026-9 |
| 1990/1991 | 1149 | 千吨 | 2026-9 |
| 1989/1990 | 676 | 千吨 | 2026-9 |
| 1988/1989 | 1097 | 千吨 | 2026-9 |
| 1987/1988 | 1179 | 千吨 | 2026-9 |
| 1986/1987 | 1441 | 千吨 | 2026-9 |
| 1985/1986 | 1665 | 千吨 | 2026-9 |
| 1984/1985 | 1300 | 千吨 | 2026-9 |
| 1983/1984 | 1250 | 千吨 | 2026-9 |
| 1982/1983 | 1250 | 千吨 | 2026-9 |
| 1981/1982 | 1200 | 千吨 | 2026-9 |
| 1980/1981 | 1300 | 千吨 | 2026-9 |
| 1979/1980 | 1218 | 千吨 | 2026-9 |
| 1978/1979 | 1600 | 千吨 | 2026-9 |
| 1977/1978 | 1200 | 千吨 | 2026-9 |
| 1976/1977 | 1400 | 千吨 | 2026-9 |
| 1975/1976 | 1200 | 千吨 | 2026-9 |
| 1974/1975 | 1100 | 千吨 | 2026-9 |
| 1973/1974 | 1297 | 千吨 | 2026-9 |
| 1972/1973 | 1250 | 千吨 | 2026-9 |
| 1971/1972 | 900 | 千吨 | 2026-9 |
| 1970/1971 | 915 | 千吨 | 2026-9 |
| 1969/1970 | 860 | 千吨 | 2026-9 |
| 1968/1969 | 760 | 千吨 | 2026-9 |
| 1967/1968 | 762 | 千吨 | 2026-9 |
| 1966/1967 | 882 | 千吨 | 2026-9 |
| 1965/1966 | 812 | 千吨 | 2026-9 |
| 1964/1965 | 798 | 千吨 | 2026-9 |
| 1963/1964 | 817 | 千吨 | 2026-9 |
| 1962/1963 | 845 | 千吨 | 2026-9 |
| 1961/1962 | 676 | 千吨 | 2026-9 |
| 1960/1961 | 953 | 千吨 | 2026-9 |