| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 80 | 千吨 | 2026-9 |
| 1997/1998 | 35 | 千吨 | 2026-9 |
| 1996/1997 | 112 | 千吨 | 2026-9 |
| 1995/1996 | 295 | 千吨 | 2026-9 |
| 1994/1995 | 180 | 千吨 | 2026-9 |
| 1993/1994 | 259 | 千吨 | 2026-9 |
| 1992/1993 | 38 | 千吨 | 2026-9 |
| 1991/1992 | 78 | 千吨 | 2026-9 |
| 1990/1991 | 470 | 千吨 | 2026-9 |
| 1989/1990 | 6 | 千吨 | 2026-9 |
| 1988/1989 | 272 | 千吨 | 2026-9 |
| 1987/1988 | 890 | 千吨 | 2026-9 |
| 1986/1987 | 440 | 千吨 | 2026-9 |
| 1985/1986 | 835 | 千吨 | 2026-9 |
| 1984/1985 | 539 | 千吨 | 2026-9 |
| 1983/1984 | 797 | 千吨 | 2026-9 |
| 1982/1983 | 1164 | 千吨 | 2026-9 |
| 1981/1982 | 941 | 千吨 | 2026-9 |
| 1980/1981 | 1296 | 千吨 | 2026-9 |
| 1979/1980 | 1815 | 千吨 | 2026-9 |
| 1978/1979 | 497 | 千吨 | 2026-9 |
| 1977/1978 | 1013 | 千吨 | 2026-9 |
| 1976/1977 | 4203 | 千吨 | 2026-9 |
| 1975/1976 | 1941 | 千吨 | 2026-9 |
| 1974/1975 | 1081 | 千吨 | 2026-9 |
| 1973/1974 | 1839 | 千吨 | 2026-9 |
| 1972/1973 | 5302 | 千吨 | 2026-9 |
| 1971/1972 | 5480 | 千吨 | 2026-9 |
| 1970/1971 | 7382 | 千吨 | 2026-9 |
| 1969/1970 | 4715 | 千吨 | 2026-9 |
| 1968/1969 | 4125 | 千吨 | 2026-9 |
| 1967/1968 | 4139 | 千吨 | 2026-9 |
| 1966/1967 | 4472 | 千吨 | 2026-9 |
| 1965/1966 | 5477 | 千吨 | 2026-9 |
| 1964/1965 | 4176 | 千吨 | 2026-9 |
| 1963/1964 | 4018 | 千吨 | 2026-9 |
| 1962/1963 | 3558 | 千吨 | 2026-9 |
| 1961/1962 | 4781 | 千吨 | 2026-9 |
| 1960/1961 | 3773 | 千吨 | 2026-9 |