| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1990/1991 | 113.39 | 千吨 | 2026-9 |
| 1989/1990 | 124.062 | 千吨 | 2026-9 |
| 1988/1989 | 120.727 | 千吨 | 2026-9 |
| 1987/1988 | 125.396 | 千吨 | 2026-9 |
| 1986/1987 | 114.057 | 千吨 | 2026-9 |
| 1985/1986 | 100.717 | 千吨 | 2026-9 |
| 1984/1985 | 97.382 | 千吨 | 2026-9 |
| 1983/1984 | 60.03 | 千吨 | 2026-9 |
| 1982/1983 | 93.38 | 千吨 | 2026-9 |
| 1981/1982 | 54.694 | 千吨 | 2026-9 |
| 1980/1981 | 58.696 | 千吨 | 2026-9 |
| 1979/1980 | 73.37 | 千吨 | 2026-9 |
| 1978/1979 | 50.025 | 千吨 | 2026-9 |
| 1977/1978 | 50.025 | 千吨 | 2026-9 |
| 1976/1977 | 21.344 | 千吨 | 2026-9 |
| 1975/1976 | 22.011 | 千吨 | 2026-9 |
| 1974/1975 | 18.009 | 千吨 | 2026-9 |
| 1973/1974 | 28.681 | 千吨 | 2026-9 |
| 1972/1973 | 16.675 | 千吨 | 2026-9 |