| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 278 | 千吨 | 2026-9 |
| 1989/1990 | 251 | 千吨 | 2026-9 |
| 1988/1989 | 251 | 千吨 | 2026-9 |
| 1987/1988 | 378 | 千吨 | 2026-9 |
| 1986/1987 | 417 | 千吨 | 2026-9 |
| 1985/1986 | 426 | 千吨 | 2026-9 |
| 1984/1985 | 318 | 千吨 | 2026-9 |
| 1983/1984 | 270 | 千吨 | 2026-9 |
| 1982/1983 | 407 | 千吨 | 2026-9 |
| 1981/1982 | 415 | 千吨 | 2026-9 |
| 1980/1981 | 385 | 千吨 | 2026-9 |
| 1979/1980 | 331 | 千吨 | 2026-9 |
| 1978/1979 | 241 | 千吨 | 2026-9 |
| 1977/1978 | 202 | 千吨 | 2026-9 |
| 1976/1977 | 219 | 千吨 | 2026-9 |
| 1975/1976 | 276 | 千吨 | 2026-9 |
| 1974/1975 | 181 | 千吨 | 2026-9 |
| 1973/1974 | 133 | 千吨 | 2026-9 |
| 1972/1973 | 225 | 千吨 | 2026-9 |
| 1971/1972 | 261 | 千吨 | 2026-9 |
| 1970/1971 | 152 | 千吨 | 2026-9 |
| 1969/1970 | 90 | 千吨 | 2026-9 |
| 1968/1969 | 58 | 千吨 | 2026-9 |
| 1967/1968 | 39 | 千吨 | 2026-9 |
| 1966/1967 | 82 | 千吨 | 2026-9 |
| 1965/1966 | 30 | 千吨 | 2026-9 |
| 1964/1965 | 23 | 千吨 | 2026-9 |