| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 3776 | 千吨 | 2026-9 |
| 1989/1990 | 3641 | 千吨 | 2026-9 |
| 1988/1989 | 3133 | 千吨 | 2026-9 |
| 1987/1988 | 3789 | 千吨 | 2026-9 |
| 1986/1987 | 3243 | 千吨 | 2026-9 |
| 1985/1986 | 2701 | 千吨 | 2026-9 |
| 1984/1985 | 2831 | 千吨 | 2026-9 |
| 1983/1984 | 2855 | 千吨 | 2026-9 |
| 1982/1983 | 2960 | 千吨 | 2026-9 |
| 1981/1982 | 3105 | 千吨 | 2026-9 |
| 1980/1981 | 2938 | 千吨 | 2026-9 |
| 1979/1980 | 3592 | 千吨 | 2026-9 |
| 1978/1979 | 3288 | 千吨 | 2026-9 |
| 1977/1978 | 2635 | 千吨 | 2026-9 |
| 1976/1977 | 1691 | 千吨 | 2026-9 |
| 1975/1976 | 1759 | 千吨 | 2026-9 |
| 1974/1975 | 1282 | 千吨 | 2026-9 |
| 1973/1974 | 1590 | 千吨 | 2026-9 |
| 1972/1973 | 1269 | 千吨 | 2026-9 |
| 1971/1972 | 1609 | 千吨 | 2026-9 |
| 1970/1971 | 1209 | 千吨 | 2026-9 |
| 1969/1970 | 1105 | 千吨 | 2026-9 |
| 1968/1969 | 917 | 千吨 | 2026-9 |
| 1967/1968 | 629 | 千吨 | 2026-9 |
| 1966/1967 | 443 | 千吨 | 2026-9 |
| 1965/1966 | 428 | 千吨 | 2026-9 |
| 1964/1965 | 391 | 千吨 | 2026-9 |