| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 6200 | 千吨 | 2026-9 |
| 1990/1991 | 6707 | 千吨 | 2026-9 |
| 1989/1990 | 6356 | 千吨 | 2026-9 |
| 1988/1989 | 6547 | 千吨 | 2026-9 |
| 1987/1988 | 6154 | 千吨 | 2026-9 |
| 1986/1987 | 5305 | 千吨 | 2026-9 |
| 1985/1986 | 6023 | 千吨 | 2026-9 |
| 1984/1985 | 6170 | 千吨 | 2026-9 |
| 1983/1984 | 5820 | 千吨 | 2026-9 |
| 1982/1983 | 4606 | 千吨 | 2026-9 |
| 1981/1982 | 4325 | 千吨 | 2026-9 |
| 1980/1981 | 5386 | 千吨 | 2026-9 |
| 1979/1980 | 3736 | 千吨 | 2026-9 |
| 1978/1979 | 5601 | 千吨 | 2026-9 |
| 1977/1978 | 5214 | 千吨 | 2026-9 |
| 1976/1977 | 4807 | 千吨 | 2026-9 |
| 1975/1976 | 4202 | 千吨 | 2026-9 |
| 1974/1975 | 5059 | 千吨 | 2026-9 |
| 1973/1974 | 4646 | 千吨 | 2026-9 |
| 1972/1973 | 4017 | 千吨 | 2026-9 |
| 1971/1972 | 3878 | 千吨 | 2026-9 |
| 1970/1971 | 3174 | 千吨 | 2026-9 |
| 1969/1970 | 3257 | 千吨 | 2026-9 |
| 1968/1969 | 3153 | 千吨 | 2026-9 |
| 1967/1968 | 2516 | 千吨 | 2026-9 |
| 1966/1967 | 2247 | 千吨 | 2026-9 |
| 1965/1966 | 1992 | 千吨 | 2026-9 |
| 1964/1965 | 1829 | 千吨 | 2026-9 |
| 1963/1964 | 1766 | 千吨 | 2026-9 |
| 1962/1963 | 1644 | 千吨 | 2026-9 |
| 1961/1962 | 1666 | 千吨 | 2026-9 |
| 1960/1961 | 1503 | 千吨 | 2026-9 |