| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 1948 | 千吨 | 2026-9 |
| 1990/1991 | 2441 | 千吨 | 2026-9 |
| 1989/1990 | 3394 | 千吨 | 2026-9 |
| 1988/1989 | 2609 | 千吨 | 2026-9 |
| 1987/1988 | 2891 | 千吨 | 2026-9 |
| 1986/1987 | 2215 | 千吨 | 2026-9 |
| 1985/1986 | 2821 | 千吨 | 2026-9 |
| 1984/1985 | 2580 | 千吨 | 2026-9 |
| 1983/1984 | 2168 | 千吨 | 2026-9 |
| 1982/1983 | 1751 | 千吨 | 2026-9 |
| 1981/1982 | 2227 | 千吨 | 2026-9 |
| 1980/1981 | 1986 | 千吨 | 2026-9 |
| 1979/1980 | 1553 | 千吨 | 2026-9 |
| 1978/1979 | 2687 | 千吨 | 2026-9 |
| 1977/1978 | 2051 | 千吨 | 2026-9 |
| 1976/1977 | 1651 | 千吨 | 2026-9 |
| 1975/1976 | 1802 | 千吨 | 2026-9 |
| 1974/1975 | 2232 | 千吨 | 2026-9 |
| 1973/1974 | 2113 | 千吨 | 2026-9 |
| 1972/1973 | 2179 | 千吨 | 2026-9 |
| 1971/1972 | 2240 | 千吨 | 2026-9 |
| 1970/1971 | 1918 | 千吨 | 2026-9 |
| 1969/1970 | 1896 | 千吨 | 2026-9 |
| 1968/1969 | 1984 | 千吨 | 2026-9 |
| 1967/1968 | 2091 | 千吨 | 2026-9 |
| 1966/1967 | 2257 | 千吨 | 2026-9 |
| 1965/1966 | 2251 | 千吨 | 2026-9 |
| 1964/1965 | 1349 | 千吨 | 2026-9 |
| 1963/1964 | 1975 | 千吨 | 2026-9 |
| 1962/1963 | 2169 | 千吨 | 2026-9 |
| 1961/1962 | 1447 | 千吨 | 2026-9 |
| 1960/1961 | 1508 | 千吨 | 2026-9 |