| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 2020 | 千吨 | 2026-9 |
| 1989/1990 | 2004 | 千吨 | 2026-9 |
| 1988/1989 | 1841 | 千吨 | 2026-9 |
| 1987/1988 | 1785 | 千吨 | 2026-9 |
| 1986/1987 | 2557 | 千吨 | 2026-9 |
| 1985/1986 | 2612 | 千吨 | 2026-9 |
| 1984/1985 | 2576 | 千吨 | 2026-9 |
| 1983/1984 | 2514 | 千吨 | 2026-9 |
| 1982/1983 | 2493 | 千吨 | 2026-9 |
| 1981/1982 | 2446 | 千吨 | 2026-9 |
| 1980/1981 | 1845 | 千吨 | 2026-9 |
| 1979/1980 | 1991 | 千吨 | 2026-9 |
| 1978/1979 | 1813 | 千吨 | 2026-9 |
| 1977/1978 | 1693 | 千吨 | 2026-9 |
| 1976/1977 | 939 | 千吨 | 2026-9 |
| 1975/1976 | 938 | 千吨 | 2026-9 |
| 1974/1975 | 766 | 千吨 | 2026-9 |
| 1973/1974 | 617 | 千吨 | 2026-9 |
| 1972/1973 | 1171 | 千吨 | 2026-9 |
| 1971/1972 | 1354 | 千吨 | 2026-9 |
| 1970/1971 | 1270 | 千吨 | 2026-9 |
| 1969/1970 | 998 | 千吨 | 2026-9 |
| 1968/1969 | 980 | 千吨 | 2026-9 |
| 1967/1968 | 697 | 千吨 | 2026-9 |
| 1966/1967 | 788 | 千吨 | 2026-9 |
| 1965/1966 | 755 | 千吨 | 2026-9 |
| 1964/1965 | 470 | 千吨 | 2026-9 |