| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 126.73 | 千吨 | 2026-9 |
| 1989/1990 | 106.72 | 千吨 | 2026-9 |
| 1988/1989 | 76.705 | 千吨 | 2026-9 |
| 1987/1988 | 82.708 | 千吨 | 2026-9 |
| 1986/1987 | 118.059 | 千吨 | 2026-9 |
| 1985/1986 | 150.075 | 千吨 | 2026-9 |
| 1984/1985 | 136.735 | 千吨 | 2026-9 |
| 1983/1984 | 110.055 | 千吨 | 2026-9 |
| 1982/1983 | 164.749 | 千吨 | 2026-9 |
| 1981/1982 | 159.413 | 千吨 | 2026-9 |
| 1980/1981 | 183.425 | 千吨 | 2026-9 |
| 1979/1980 | 203.435 | 千吨 | 2026-9 |
| 1978/1979 | 150.742 | 千吨 | 2026-9 |
| 1977/1978 | 160.747 | 千吨 | 2026-9 |
| 1976/1977 | 91.379 | 千吨 | 2026-9 |
| 1975/1976 | 58.029 | 千吨 | 2026-9 |
| 1974/1975 | 35.351 | 千吨 | 2026-9 |
| 1973/1974 | 54.027 | 千吨 | 2026-9 |
| 1972/1973 | 39.353 | 千吨 | 2026-9 |
| 1971/1972 | 48.024 | 千吨 | 2026-9 |
| 1970/1971 | 59.363 | 千吨 | 2026-9 |
| 1969/1970 | 78.039 | 千吨 | 2026-9 |
| 1968/1969 | 60.03 | 千吨 | 2026-9 |
| 1967/1968 | 57.362 | 千吨 | 2026-9 |
| 1966/1967 | 66.7 | 千吨 | 2026-9 |
| 1965/1966 | 61.364 | 千吨 | 2026-9 |
| 1964/1965 | 33.35 | 千吨 | 2026-9 |