| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1325 | 千吨 | 2026-9 |
| 1989/1990 | 1236 | 千吨 | 2026-9 |
| 1988/1989 | 1346 | 千吨 | 2026-9 |
| 1987/1988 | 1390 | 千吨 | 2026-9 |
| 1986/1987 | 1110 | 千吨 | 2026-9 |
| 1985/1986 | 1067 | 千吨 | 2026-9 |
| 1984/1985 | 867 | 千吨 | 2026-9 |
| 1983/1984 | 717 | 千吨 | 2026-9 |
| 1982/1983 | 786 | 千吨 | 2026-9 |
| 1981/1982 | 511 | 千吨 | 2026-9 |
| 1980/1981 | 560 | 千吨 | 2026-9 |
| 1979/1980 | 455 | 千吨 | 2026-9 |
| 1978/1979 | 316 | 千吨 | 2026-9 |
| 1977/1978 | 233 | 千吨 | 2026-9 |
| 1976/1977 | 266 | 千吨 | 2026-9 |
| 1975/1976 | 181 | 千吨 | 2026-9 |
| 1974/1975 | 220 | 千吨 | 2026-9 |
| 1973/1974 | 259 | 千吨 | 2026-9 |
| 1972/1973 | 147 | 千吨 | 2026-9 |
| 1970/1971 | 155 | 千吨 | 2026-9 |
| 1969/1970 | 115 | 千吨 | 2026-9 |
| 1968/1969 | 161 | 千吨 | 2026-9 |
| 1967/1968 | 124 | 千吨 | 2026-9 |
| 1966/1967 | 76 | 千吨 | 2026-9 |
| 1965/1966 | 105 | 千吨 | 2026-9 |
| 1964/1965 | 96 | 千吨 | 2026-9 |