| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 428 | 千吨 | 2026-9 |
| 1989/1990 | 476 | 千吨 | 2026-9 |
| 1988/1989 | 491 | 千吨 | 2026-9 |
| 1987/1988 | 462 | 千吨 | 2026-9 |
| 1986/1987 | 271 | 千吨 | 2026-9 |
| 1985/1986 | 315 | 千吨 | 2026-9 |
| 1984/1985 | 356 | 千吨 | 2026-9 |
| 1983/1984 | 263 | 千吨 | 2026-9 |
| 1982/1983 | 249 | 千吨 | 2026-9 |
| 1981/1982 | 294 | 千吨 | 2026-9 |
| 1980/1981 | 300 | 千吨 | 2026-9 |
| 1979/1980 | 238 | 千吨 | 2026-9 |
| 1978/1979 | 246 | 千吨 | 2026-9 |
| 1977/1978 | 201 | 千吨 | 2026-9 |
| 1976/1977 | 203 | 千吨 | 2026-9 |
| 1975/1976 | 189 | 千吨 | 2026-9 |
| 1974/1975 | 225 | 千吨 | 2026-9 |
| 1973/1974 | 258 | 千吨 | 2026-9 |
| 1972/1973 | 316 | 千吨 | 2026-9 |
| 1971/1972 | 271 | 千吨 | 2026-9 |
| 1970/1971 | 193 | 千吨 | 2026-9 |
| 1969/1970 | 122 | 千吨 | 2026-9 |
| 1968/1969 | 145 | 千吨 | 2026-9 |
| 1967/1968 | 132 | 千吨 | 2026-9 |
| 1966/1967 | 88 | 千吨 | 2026-9 |
| 1965/1966 | 88 | 千吨 | 2026-9 |
| 1964/1965 | 51 | 千吨 | 2026-9 |