| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 940 | 千吨 | 2026-9 |
| 1989/1990 | 1144 | 千吨 | 2026-9 |
| 1988/1989 | 1119 | 千吨 | 2026-9 |
| 1987/1988 | 1296 | 千吨 | 2026-9 |
| 1986/1987 | 1438 | 千吨 | 2026-9 |
| 1985/1986 | 1341 | 千吨 | 2026-9 |
| 1984/1985 | 1321 | 千吨 | 2026-9 |
| 1983/1984 | 1524 | 千吨 | 2026-9 |
| 1982/1983 | 1549 | 千吨 | 2026-9 |
| 1981/1982 | 1510 | 千吨 | 2026-9 |
| 1980/1981 | 1065 | 千吨 | 2026-9 |
| 1979/1980 | 920 | 千吨 | 2026-9 |
| 1978/1979 | 1032 | 千吨 | 2026-9 |
| 1977/1978 | 1045 | 千吨 | 2026-9 |
| 1976/1977 | 811 | 千吨 | 2026-9 |
| 1975/1976 | 865 | 千吨 | 2026-9 |
| 1974/1975 | 698 | 千吨 | 2026-9 |
| 1973/1974 | 729 | 千吨 | 2026-9 |
| 1972/1973 | 452 | 千吨 | 2026-9 |
| 1971/1972 | 326 | 千吨 | 2026-9 |
| 1970/1971 | 355 | 千吨 | 2026-9 |
| 1969/1970 | 320 | 千吨 | 2026-9 |
| 1968/1969 | 259 | 千吨 | 2026-9 |
| 1967/1968 | 252 | 千吨 | 2026-9 |
| 1966/1967 | 237 | 千吨 | 2026-9 |
| 1965/1966 | 168 | 千吨 | 2026-9 |
| 1964/1965 | 150 | 千吨 | 2026-9 |