| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 2232 | 千吨 | 2026-9 |
| 1989/1990 | 2760 | 千吨 | 2026-9 |
| 1988/1989 | 1951 | 千吨 | 2026-9 |
| 1987/1988 | 2372 | 千吨 | 2026-9 |
| 1986/1987 | 2728 | 千吨 | 2026-9 |
| 1985/1986 | 2132 | 千吨 | 2026-9 |
| 1984/1985 | 1939 | 千吨 | 2026-9 |
| 1983/1984 | 2671 | 千吨 | 2026-9 |
| 1982/1983 | 3122 | 千吨 | 2026-9 |
| 1981/1982 | 3196 | 千吨 | 2026-9 |
| 1980/1981 | 2790 | 千吨 | 2026-9 |
| 1979/1980 | 3100 | 千吨 | 2026-9 |
| 1978/1979 | 2237 | 千吨 | 2026-9 |
| 1977/1978 | 2143 | 千吨 | 2026-9 |
| 1976/1977 | 1835 | 千吨 | 2026-9 |
| 1975/1976 | 1941 | 千吨 | 2026-9 |
| 1974/1975 | 1737 | 千吨 | 2026-9 |
| 1973/1974 | 1588 | 千吨 | 2026-9 |
| 1972/1973 | 835 | 千吨 | 2026-9 |
| 1971/1972 | 1428 | 千吨 | 2026-9 |
| 1970/1971 | 1311 | 千吨 | 2026-9 |
| 1969/1970 | 1230 | 千吨 | 2026-9 |
| 1968/1969 | 1027 | 千吨 | 2026-9 |
| 1967/1968 | 924 | 千吨 | 2026-9 |
| 1966/1967 | 813 | 千吨 | 2026-9 |
| 1965/1966 | 638 | 千吨 | 2026-9 |
| 1964/1965 | 340 | 千吨 | 2026-9 |