| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 299 | 千吨 | 2026-9 |
| 1997/1998 | 249 | 千吨 | 2026-9 |
| 1996/1997 | 163 | 千吨 | 2026-9 |
| 1995/1996 | 976 | 千吨 | 2026-9 |
| 1994/1995 | 585 | 千吨 | 2026-9 |
| 1993/1994 | 253 | 千吨 | 2026-9 |
| 1992/1993 | 399 | 千吨 | 2026-9 |
| 1991/1992 | 204 | 千吨 | 2026-9 |
| 1990/1991 | 236 | 千吨 | 2026-9 |
| 1989/1990 | 369 | 千吨 | 2026-9 |
| 1988/1989 | 673 | 千吨 | 2026-9 |
| 1987/1988 | 569 | 千吨 | 2026-9 |
| 1986/1987 | 381 | 千吨 | 2026-9 |
| 1985/1986 | 63 | 千吨 | 2026-9 |
| 1984/1985 | 292 | 千吨 | 2026-9 |
| 1983/1984 | 1074 | 千吨 | 2026-9 |
| 1982/1983 | 557 | 千吨 | 2026-9 |
| 1981/1982 | 2046 | 千吨 | 2026-9 |
| 1980/1981 | 601 | 千吨 | 2026-9 |
| 1979/1980 | 1157 | 千吨 | 2026-9 |
| 1978/1979 | 721 | 千吨 | 2026-9 |
| 1977/1978 | 1428 | 千吨 | 2026-9 |
| 1976/1977 | 2474 | 千吨 | 2026-9 |
| 1975/1976 | 2441 | 千吨 | 2026-9 |
| 1974/1975 | 1581 | 千吨 | 2026-9 |
| 1973/1974 | 1712 | 千吨 | 2026-9 |
| 1972/1973 | 688 | 千吨 | 2026-9 |
| 1971/1972 | 1206 | 千吨 | 2026-9 |
| 1970/1971 | 1910 | 千吨 | 2026-9 |
| 1969/1970 | 755 | 千吨 | 2026-9 |
| 1968/1969 | 1068 | 千吨 | 2026-9 |
| 1967/1968 | 1667 | 千吨 | 2026-9 |
| 1966/1967 | 2912 | 千吨 | 2026-9 |
| 1965/1966 | 2730 | 千吨 | 2026-9 |
| 1964/1965 | 2196 | 千吨 | 2026-9 |
| 1963/1964 | 2024 | 千吨 | 2026-9 |
| 1962/1963 | 1974 | 千吨 | 2026-9 |
| 1961/1962 | 1708 | 千吨 | 2026-9 |
| 1960/1961 | 1623 | 千吨 | 2026-9 |