| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1020 | 千吨 | 2026-9 |
| 1989/1990 | 1142 | 千吨 | 2026-9 |
| 1988/1989 | 1104 | 千吨 | 2026-9 |
| 1987/1988 | 1347 | 千吨 | 2026-9 |
| 1986/1987 | 1484 | 千吨 | 2026-9 |
| 1985/1986 | 1350 | 千吨 | 2026-9 |
| 1984/1985 | 1312 | 千吨 | 2026-9 |
| 1983/1984 | 1530 | 千吨 | 2026-9 |
| 1982/1983 | 1601 | 千吨 | 2026-9 |
| 1981/1982 | 1513 | 千吨 | 2026-9 |
| 1980/1981 | 1099 | 千吨 | 2026-9 |
| 1979/1980 | 949 | 千吨 | 2026-9 |
| 1978/1979 | 1004 | 千吨 | 2026-9 |
| 1977/1978 | 1070 | 千吨 | 2026-9 |
| 1976/1977 | 813 | 千吨 | 2026-9 |
| 1975/1976 | 864 | 千吨 | 2026-9 |
| 1974/1975 | 698 | 千吨 | 2026-9 |
| 1973/1974 | 746 | 千吨 | 2026-9 |
| 1972/1973 | 447 | 千吨 | 2026-9 |
| 1971/1972 | 337 | 千吨 | 2026-9 |
| 1970/1971 | 349 | 千吨 | 2026-9 |
| 1969/1970 | 324 | 千吨 | 2026-9 |
| 1968/1969 | 256 | 千吨 | 2026-9 |
| 1967/1968 | 250 | 千吨 | 2026-9 |
| 1966/1967 | 233 | 千吨 | 2026-9 |
| 1965/1966 | 176 | 千吨 | 2026-9 |
| 1964/1965 | 139 | 千吨 | 2026-9 |