| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1678 | 千吨 | 2026-9 |
| 1989/1990 | 1539 | 千吨 | 2026-9 |
| 1988/1989 | 1716 | 千吨 | 2026-9 |
| 1987/1988 | 1666 | 千吨 | 2026-9 |
| 1986/1987 | 1372 | 千吨 | 2026-9 |
| 1985/1986 | 1307 | 千吨 | 2026-9 |
| 1984/1985 | 1204 | 千吨 | 2026-9 |
| 1983/1984 | 1102 | 千吨 | 2026-9 |
| 1982/1983 | 938 | 千吨 | 2026-9 |
| 1981/1982 | 691 | 千吨 | 2026-9 |
| 1980/1981 | 775 | 千吨 | 2026-9 |
| 1979/1980 | 657 | 千吨 | 2026-9 |
| 1978/1979 | 477 | 千吨 | 2026-9 |
| 1977/1978 | 422 | 千吨 | 2026-9 |
| 1976/1977 | 385 | 千吨 | 2026-9 |
| 1975/1976 | 230 | 千吨 | 2026-9 |
| 1974/1975 | 253 | 千吨 | 2026-9 |
| 1973/1974 | 314 | 千吨 | 2026-9 |
| 1972/1973 | 203 | 千吨 | 2026-9 |
| 1970/1971 | 222 | 千吨 | 2026-9 |
| 1969/1970 | 161 | 千吨 | 2026-9 |
| 1968/1969 | 188 | 千吨 | 2026-9 |
| 1967/1968 | 162 | 千吨 | 2026-9 |
| 1966/1967 | 129 | 千吨 | 2026-9 |
| 1965/1966 | 156 | 千吨 | 2026-9 |
| 1964/1965 | 138 | 千吨 | 2026-9 |