| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 0 | 千吨 | 2026-9 |
| 1990/1991 | 212.709 | 千吨 | 2026-9 |
| 1989/1990 | 207.017 | 千吨 | 2026-9 |
| 1988/1989 | 186.387 | 千吨 | 2026-9 |
| 1987/1988 | 165.401 | 千吨 | 2026-9 |
| 1986/1987 | 148.683 | 千吨 | 2026-9 |
| 1985/1986 | 128.763 | 千吨 | 2026-9 |
| 1984/1985 | 103.509 | 千吨 | 2026-9 |
| 1983/1984 | 88.214 | 千吨 | 2026-9 |
| 1982/1983 | 98.529 | 千吨 | 2026-9 |
| 1981/1982 | 79.321 | 千吨 | 2026-9 |
| 1980/1981 | 62.603 | 千吨 | 2026-9 |
| 1979/1980 | 83.59 | 千吨 | 2026-9 |
| 1978/1979 | 97.818 | 千吨 | 2026-9 |
| 1977/1978 | 93.905 | 千吨 | 2026-9 |
| 1976/1977 | 111.334 | 千吨 | 2026-9 |
| 1975/1976 | 124.139 | 千吨 | 2026-9 |
| 1974/1975 | 114.18 | 千吨 | 2026-9 |
| 1973/1974 | 107.066 | 千吨 | 2026-9 |
| 1972/1973 | 92.126 | 千吨 | 2026-9 |
| 1971/1972 | 98.885 | 千吨 | 2026-9 |
| 1970/1971 | 98.529 | 千吨 | 2026-9 |
| 1969/1970 | 94.972 | 千吨 | 2026-9 |
| 1968/1969 | 95.328 | 千吨 | 2026-9 |
| 1967/1968 | 85.012 | 千吨 | 2026-9 |
| 1966/1967 | 86.079 | 千吨 | 2026-9 |
| 1965/1966 | 111.334 | 千吨 | 2026-9 |
| 1964/1965 | 101.019 | 千吨 | 2026-9 |