| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 0 | 千吨 | 2026-9 |
| 1997/1998 | 0 | 千吨 | 2026-9 |
| 1996/1997 | 293 | 千吨 | 2026-9 |
| 1995/1996 | 172 | 千吨 | 2026-9 |
| 1994/1995 | 37 | 千吨 | 2026-9 |
| 1993/1994 | 0 | 千吨 | 2026-9 |
| 1992/1993 | 885 | 千吨 | 2026-9 |
| 1991/1992 | 0 | 千吨 | 2026-9 |
| 1990/1991 | 40 | 千吨 | 2026-9 |
| 1989/1990 | 378 | 千吨 | 2026-9 |
| 1988/1989 | 0 | 千吨 | 2026-9 |
| 1987/1988 | 5 | 千吨 | 2026-9 |
| 1986/1987 | 3 | 千吨 | 2026-9 |
| 1985/1986 | 0 | 千吨 | 2026-9 |
| 1984/1985 | 154 | 千吨 | 2026-9 |
| 1983/1984 | 175 | 千吨 | 2026-9 |
| 1982/1983 | 450 | 千吨 | 2026-9 |
| 1981/1982 | 406 | 千吨 | 2026-9 |
| 1980/1981 | 2628 | 千吨 | 2026-9 |
| 1979/1980 | 2769 | 千吨 | 2026-9 |
| 1978/1979 | 1551 | 千吨 | 2026-9 |
| 1977/1978 | 1700 | 千吨 | 2026-9 |
| 1976/1977 | 1055 | 千吨 | 2026-9 |
| 1975/1976 | 1595 | 千吨 | 2026-9 |
| 1974/1975 | 557 | 千吨 | 2026-9 |
| 1973/1974 | 508 | 千吨 | 2026-9 |
| 1972/1973 | 525 | 千吨 | 2026-9 |
| 1971/1972 | 313 | 千吨 | 2026-9 |
| 1970/1971 | 220 | 千吨 | 2026-9 |
| 1969/1970 | 138 | 千吨 | 2026-9 |
| 1968/1969 | 298 | 千吨 | 2026-9 |
| 1967/1968 | 186 | 千吨 | 2026-9 |
| 1966/1967 | 157 | 千吨 | 2026-9 |
| 1965/1966 | 0 | 千吨 | 2026-9 |
| 1964/1965 | 24 | 千吨 | 2026-9 |
| 1963/1964 | 35 | 千吨 | 2026-9 |
| 1962/1963 | 41 | 千吨 | 2026-9 |
| 1961/1962 | 2 | 千吨 | 2026-9 |
| 1960/1961 | 60 | 千吨 | 2026-9 |