| 年度 | 数值 | 单位 | 发布日期 |
|---|---|---|---|
| 1990/1991 | 254.127 | 千吨 | 2026-9 |
| 1989/1990 | 240.12 | 千吨 | 2026-9 |
| 1988/1989 | 241.454 | 千吨 | 2026-9 |
| 1987/1988 | 307.487 | 千吨 | 2026-9 |
| 1986/1987 | 249.458 | 千吨 | 2026-9 |
| 1985/1986 | 315.491 | 千吨 | 2026-9 |
| 1984/1985 | 316.158 | 千吨 | 2026-9 |
| 1983/1984 | 328.831 | 千吨 | 2026-9 |
| 1982/1983 | 376.855 | 千吨 | 2026-9 |
| 1981/1982 | 284.809 | 千吨 | 2026-9 |
| 1980/1981 | 291.479 | 千吨 | 2026-9 |
| 1979/1980 | 312.823 | 千吨 | 2026-9 |
| 1978/1979 | 266.8 | 千吨 | 2026-9 |
| 1977/1978 | 232.783 | 千吨 | 2026-9 |
| 1976/1977 | 166.75 | 千吨 | 2026-9 |
| 1975/1976 | 158.079 | 千吨 | 2026-9 |
| 1974/1975 | 116.725 | 千吨 | 2026-9 |
| 1973/1974 | 90.045 | 千吨 | 2026-9 |
| 1972/1973 | 94.714 | 千吨 | 2026-9 |