| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1990/1991 | 281 | 千吨 | 2026-9 |
| 1989/1990 | 278.752 | 千吨 | 2026-9 |
| 1988/1989 | 267.512 | 千吨 | 2026-9 |
| 1987/1988 | 246.156 | 千吨 | 2026-9 |
| 1986/1987 | 105.656 | 千吨 | 2026-9 |
| 1985/1986 | 107.904 | 千吨 | 2026-9 |
| 1984/1985 | 61.82 | 千吨 | 2026-9 |
| 1983/1984 | 42.712 | 千吨 | 2026-9 |
| 1982/1983 | 50.58 | 千吨 | 2026-9 |
| 1981/1982 | 30.348 | 千吨 | 2026-9 |
| 1980/1981 | 104.532 | 千吨 | 2026-9 |
| 1979/1980 | 492.312 | 千吨 | 2026-9 |
| 1978/1979 | 574.364 | 千吨 | 2026-9 |
| 1977/1978 | 512.544 | 千吨 | 2026-9 |
| 1976/1977 | 556.38 | 千吨 | 2026-9 |
| 1975/1976 | 595.72 | 千吨 | 2026-9 |
| 1974/1975 | 369.796 | 千吨 | 2026-9 |
| 1973/1974 | 336.076 | 千吨 | 2026-9 |
| 1972/1973 | 456.344 | 千吨 | 2026-9 |