| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992/1993 | 370 | 千吨 | 2026-9 |
| 1991/1992 | 411 | 千吨 | 2026-9 |
| 1990/1991 | 374 | 千吨 | 2026-9 |
| 1989/1990 | 381 | 千吨 | 2026-9 |
| 1988/1989 | 374 | 千吨 | 2026-9 |
| 1987/1988 | 331 | 千吨 | 2026-9 |
| 1986/1987 | 301 | 千吨 | 2026-9 |
| 1985/1986 | 280 | 千吨 | 2026-9 |
| 1984/1985 | 310 | 千吨 | 2026-9 |
| 1983/1984 | 300 | 千吨 | 2026-9 |
| 1982/1983 | 176 | 千吨 | 2026-9 |
| 1981/1982 | 196 | 千吨 | 2026-9 |
| 1980/1981 | 211 | 千吨 | 2026-9 |
| 1979/1980 | 86 | 千吨 | 2026-9 |
| 1978/1979 | 174 | 千吨 | 2026-9 |
| 1977/1978 | 162 | 千吨 | 2026-9 |
| 1976/1977 | 151 | 千吨 | 2026-9 |
| 1975/1976 | 153 | 千吨 | 2026-9 |
| 1974/1975 | 114 | 千吨 | 2026-9 |
| 1973/1974 | 125 | 千吨 | 2026-9 |
| 1972/1973 | 102 | 千吨 | 2026-9 |
| 1971/1972 | 97 | 千吨 | 2026-9 |
| 1970/1971 | 119 | 千吨 | 2026-9 |
| 1969/1970 | 65 | 千吨 | 2026-9 |
| 1968/1969 | 81 | 千吨 | 2026-9 |
| 1967/1968 | 88 | 千吨 | 2026-9 |
| 1966/1967 | 78 | 千吨 | 2026-9 |
| 1965/1966 | 84 | 千吨 | 2026-9 |
| 1964/1965 | 79 | 千吨 | 2026-9 |