| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 275 | 千吨 | 2026-9 |
| 1997/1998 | 180 | 千吨 | 2026-9 |
| 1996/1997 | 331 | 千吨 | 2026-9 |
| 1995/1996 | 457 | 千吨 | 2026-9 |
| 1994/1995 | 700 | 千吨 | 2026-9 |
| 1993/1994 | 120 | 千吨 | 2026-9 |
| 1992/1993 | 677 | 千吨 | 2026-9 |
| 1991/1992 | 12 | 千吨 | 2026-9 |
| 1990/1991 | 2 | 千吨 | 2026-9 |
| 1989/1990 | 125 | 千吨 | 2026-9 |
| 1988/1989 | 500 | 千吨 | 2026-9 |
| 1987/1988 | 300 | 千吨 | 2026-9 |
| 1986/1987 | 279 | 千吨 | 2026-9 |
| 1985/1986 | 200 | 千吨 | 2026-9 |
| 1984/1985 | 300 | 千吨 | 2026-9 |
| 1983/1984 | 237 | 千吨 | 2026-9 |
| 1982/1983 | 410 | 千吨 | 2026-9 |
| 1981/1982 | 384 | 千吨 | 2026-9 |
| 1980/1981 | 1081 | 千吨 | 2026-9 |
| 1979/1980 | 1172 | 千吨 | 2026-9 |
| 1978/1979 | 2043 | 千吨 | 2026-9 |
| 1977/1978 | 1777 | 千吨 | 2026-9 |
| 1976/1977 | 1341 | 千吨 | 2026-9 |
| 1975/1976 | 1162 | 千吨 | 2026-9 |
| 1974/1975 | 1132 | 千吨 | 2026-9 |
| 1973/1974 | 972 | 千吨 | 2026-9 |
| 1972/1973 | 649 | 千吨 | 2026-9 |
| 1971/1972 | 1634 | 千吨 | 2026-9 |
| 1970/1971 | 336 | 千吨 | 2026-9 |
| 1969/1970 | 1165 | 千吨 | 2026-9 |
| 1968/1969 | 559 | 千吨 | 2026-9 |
| 1967/1968 | 555 | 千吨 | 2026-9 |
| 1966/1967 | 193 | 千吨 | 2026-9 |
| 1965/1966 | 536 | 千吨 | 2026-9 |
| 1964/1965 | 415 | 千吨 | 2026-9 |
| 1963/1964 | 297 | 千吨 | 2026-9 |
| 1962/1963 | 216 | 千吨 | 2026-9 |
| 1961/1962 | 210 | 千吨 | 2026-9 |
| 1960/1961 | 270 | 千吨 | 2026-9 |