| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 380 | 千吨 | 2026-9 |
| 1989/1990 | 614 | 千吨 | 2026-9 |
| 1988/1989 | 460 | 千吨 | 2026-9 |
| 1987/1988 | 477 | 千吨 | 2026-9 |
| 1986/1987 | 1040 | 千吨 | 2026-9 |
| 1985/1986 | 1111 | 千吨 | 2026-9 |
| 1984/1985 | 972 | 千吨 | 2026-9 |
| 1983/1984 | 1317 | 千吨 | 2026-9 |
| 1982/1983 | 1092 | 千吨 | 2026-9 |
| 1981/1982 | 1028 | 千吨 | 2026-9 |
| 1980/1981 | 773 | 千吨 | 2026-9 |
| 1979/1980 | 842 | 千吨 | 2026-9 |
| 1978/1979 | 840 | 千吨 | 2026-9 |
| 1977/1978 | 800 | 千吨 | 2026-9 |
| 1976/1977 | 850 | 千吨 | 2026-9 |
| 1975/1976 | 745 | 千吨 | 2026-9 |
| 1974/1975 | 740 | 千吨 | 2026-9 |
| 1973/1974 | 705 | 千吨 | 2026-9 |
| 1972/1973 | 655 | 千吨 | 2026-9 |
| 1971/1972 | 710 | 千吨 | 2026-9 |
| 1970/1971 | 540 | 千吨 | 2026-9 |
| 1969/1970 | 445 | 千吨 | 2026-9 |
| 1968/1969 | 390 | 千吨 | 2026-9 |
| 1967/1968 | 320 | 千吨 | 2026-9 |
| 1966/1967 | 295 | 千吨 | 2026-9 |
| 1965/1966 | 200 | 千吨 | 2026-9 |
| 1964/1965 | 170 | 千吨 | 2026-9 |