| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 590 | 千吨 | 2026-9 |
| 1989/1990 | 821 | 千吨 | 2026-9 |
| 1988/1989 | 755 | 千吨 | 2026-9 |
| 1987/1988 | 851 | 千吨 | 2026-9 |
| 1986/1987 | 950 | 千吨 | 2026-9 |
| 1985/1986 | 975 | 千吨 | 2026-9 |
| 1984/1985 | 1068 | 千吨 | 2026-9 |
| 1983/1984 | 1132 | 千吨 | 2026-9 |
| 1982/1983 | 1045 | 千吨 | 2026-9 |
| 1981/1982 | 890 | 千吨 | 2026-9 |
| 1980/1981 | 645 | 千吨 | 2026-9 |
| 1979/1980 | 494 | 千吨 | 2026-9 |
| 1978/1979 | 481 | 千吨 | 2026-9 |
| 1977/1978 | 515 | 千吨 | 2026-9 |
| 1976/1977 | 371 | 千吨 | 2026-9 |
| 1975/1976 | 327 | 千吨 | 2026-9 |
| 1974/1975 | 212 | 千吨 | 2026-9 |
| 1973/1974 | 207 | 千吨 | 2026-9 |
| 1972/1973 | 160 | 千吨 | 2026-9 |
| 1971/1972 | 136 | 千吨 | 2026-9 |
| 1970/1971 | 143 | 千吨 | 2026-9 |
| 1969/1970 | 131 | 千吨 | 2026-9 |
| 1968/1969 | 103 | 千吨 | 2026-9 |
| 1967/1968 | 81 | 千吨 | 2026-9 |
| 1966/1967 | 67 | 千吨 | 2026-9 |
| 1965/1966 | 37 | 千吨 | 2026-9 |
| 1964/1965 | 27 | 千吨 | 2026-9 |