| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 645 | 千吨 | 2026-9 |
| 1989/1990 | 878 | 千吨 | 2026-9 |
| 1988/1989 | 860 | 千吨 | 2026-9 |
| 1987/1988 | 983 | 千吨 | 2026-9 |
| 1986/1987 | 1057 | 千吨 | 2026-9 |
| 1985/1986 | 1060 | 千吨 | 2026-9 |
| 1984/1985 | 1045 | 千吨 | 2026-9 |
| 1983/1984 | 1207 | 千吨 | 2026-9 |
| 1982/1983 | 1224 | 千吨 | 2026-9 |
| 1981/1982 | 1193 | 千吨 | 2026-9 |
| 1980/1981 | 841 | 千吨 | 2026-9 |
| 1979/1980 | 743 | 千吨 | 2026-9 |
| 1978/1979 | 834 | 千吨 | 2026-9 |
| 1977/1978 | 841 | 千吨 | 2026-9 |
| 1976/1977 | 637 | 千吨 | 2026-9 |
| 1975/1976 | 689 | 千吨 | 2026-9 |
| 1974/1975 | 535 | 千吨 | 2026-9 |
| 1973/1974 | 570 | 千吨 | 2026-9 |
| 1972/1973 | 353 | 千吨 | 2026-9 |
| 1971/1972 | 257 | 千吨 | 2026-9 |
| 1970/1971 | 267 | 千吨 | 2026-9 |
| 1969/1970 | 248 | 千吨 | 2026-9 |
| 1968/1969 | 210 | 千吨 | 2026-9 |
| 1967/1968 | 194 | 千吨 | 2026-9 |
| 1966/1967 | 189 | 千吨 | 2026-9 |
| 1965/1966 | 133 | 千吨 | 2026-9 |
| 1964/1965 | 114 | 千吨 | 2026-9 |