| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 449 | 千吨 | 2026-9 |
| 1989/1990 | 683 | 千吨 | 2026-9 |
| 1988/1989 | 573 | 千吨 | 2026-9 |
| 1987/1988 | 538 | 千吨 | 2026-9 |
| 1986/1987 | 1098 | 千吨 | 2026-9 |
| 1985/1986 | 1168 | 千吨 | 2026-9 |
| 1984/1985 | 1039 | 千吨 | 2026-9 |
| 1983/1984 | 1325 | 千吨 | 2026-9 |
| 1982/1983 | 1092 | 千吨 | 2026-9 |
| 1981/1982 | 1029 | 千吨 | 2026-9 |
| 1980/1981 | 774 | 千吨 | 2026-9 |
| 1979/1980 | 843 | 千吨 | 2026-9 |
| 1978/1979 | 856 | 千吨 | 2026-9 |
| 1977/1978 | 832 | 千吨 | 2026-9 |
| 1976/1977 | 882 | 千吨 | 2026-9 |
| 1975/1976 | 767 | 千吨 | 2026-9 |
| 1974/1975 | 740 | 千吨 | 2026-9 |
| 1973/1974 | 705 | 千吨 | 2026-9 |
| 1972/1973 | 655 | 千吨 | 2026-9 |
| 1971/1972 | 751 | 千吨 | 2026-9 |
| 1970/1971 | 554 | 千吨 | 2026-9 |
| 1969/1970 | 478 | 千吨 | 2026-9 |
| 1968/1969 | 419 | 千吨 | 2026-9 |
| 1967/1968 | 326 | 千吨 | 2026-9 |
| 1966/1967 | 299 | 千吨 | 2026-9 |
| 1965/1966 | 200 | 千吨 | 2026-9 |
| 1964/1965 | 174 | 千吨 | 2026-9 |