| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 509 | 千吨 | 2026-9 |
| 1989/1990 | 576 | 千吨 | 2026-9 |
| 1988/1989 | 575 | 千吨 | 2026-9 |
| 1987/1988 | 582 | 千吨 | 2026-9 |
| 1986/1987 | 313 | 千吨 | 2026-9 |
| 1985/1986 | 373 | 千吨 | 2026-9 |
| 1984/1985 | 479 | 千吨 | 2026-9 |
| 1983/1984 | 349 | 千吨 | 2026-9 |
| 1982/1983 | 322 | 千吨 | 2026-9 |
| 1981/1982 | 364 | 千吨 | 2026-9 |
| 1980/1981 | 354 | 千吨 | 2026-9 |
| 1979/1980 | 295 | 千吨 | 2026-9 |
| 1978/1979 | 294 | 千吨 | 2026-9 |
| 1977/1978 | 234 | 千吨 | 2026-9 |
| 1976/1977 | 237 | 千吨 | 2026-9 |
| 1975/1976 | 215 | 千吨 | 2026-9 |
| 1974/1975 | 245 | 千吨 | 2026-9 |
| 1973/1974 | 293 | 千吨 | 2026-9 |
| 1972/1973 | 301 | 千吨 | 2026-9 |
| 1971/1972 | 352 | 千吨 | 2026-9 |
| 1970/1971 | 249 | 千吨 | 2026-9 |
| 1969/1970 | 164 | 千吨 | 2026-9 |
| 1968/1969 | 184 | 千吨 | 2026-9 |
| 1967/1968 | 168 | 千吨 | 2026-9 |
| 1966/1967 | 118 | 千吨 | 2026-9 |
| 1965/1966 | 116 | 千吨 | 2026-9 |
| 1964/1965 | 68 | 千吨 | 2026-9 |