| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1988/1989 | 5060 | 千吨 | 2026-9 |
| 1987/1988 | 5050 | 千吨 | 2026-9 |
| 1986/1987 | 5035 | 千吨 | 2026-9 |
| 1985/1986 | 4783 | 千吨 | 2026-9 |
| 1984/1985 | 4517 | 千吨 | 2026-9 |
| 1983/1984 | 5768 | 千吨 | 2026-9 |
| 1982/1983 | 6023 | 千吨 | 2026-9 |
| 1981/1982 | 7373 | 千吨 | 2026-9 |
| 1980/1981 | 5237 | 千吨 | 2026-9 |
| 1979/1980 | 4987 | 千吨 | 2026-9 |
| 1978/1979 | 4086 | 千吨 | 2026-9 |
| 1977/1978 | 3993 | 千吨 | 2026-9 |
| 1976/1977 | 4785 | 千吨 | 2026-9 |
| 1975/1976 | 3759 | 千吨 | 2026-9 |
| 1974/1975 | 3240 | 千吨 | 2026-9 |
| 1973/1974 | 1876 | 千吨 | 2026-9 |
| 1972/1973 | 2584 | 千吨 | 2026-9 |
| 1971/1972 | 2207 | 千吨 | 2026-9 |
| 1970/1971 | 1906 | 千吨 | 2026-9 |
| 1969/1970 | 2589 | 千吨 | 2026-9 |
| 1968/1969 | 1440 | 千吨 | 2026-9 |
| 1967/1968 | 1935 | 千吨 | 2026-9 |
| 1966/1967 | 1423 | 千吨 | 2026-9 |
| 1965/1966 | 1956 | 千吨 | 2026-9 |
| 1964/1965 | 1293 | 千吨 | 2026-9 |
| 1963/1964 | 2089 | 千吨 | 2026-9 |
| 1962/1963 | 2200 | 千吨 | 2026-9 |
| 1961/1962 | 2446 | 千吨 | 2026-9 |
| 1960/1961 | 2897 | 千吨 | 2026-9 |