| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 542 | 千吨 | 2026-9 |
| 1997/1998 | 285 | 千吨 | 2026-9 |
| 1996/1997 | 47 | 千吨 | 2026-9 |
| 1995/1996 | 900 | 千吨 | 2026-9 |
| 1994/1995 | 324 | 千吨 | 2026-9 |
| 1993/1994 | 49 | 千吨 | 2026-9 |
| 1992/1993 | 348 | 千吨 | 2026-9 |
| 1991/1992 | 10 | 千吨 | 2026-9 |
| 1990/1991 | 200 | 千吨 | 2026-9 |
| 1989/1990 | 450 | 千吨 | 2026-9 |
| 1988/1989 | 352 | 千吨 | 2026-9 |
| 1987/1988 | 300 | 千吨 | 2026-9 |
| 1986/1987 | 215 | 千吨 | 2026-9 |
| 1985/1986 | 314 | 千吨 | 2026-9 |
| 1984/1985 | 500 | 千吨 | 2026-9 |
| 1983/1984 | 0 | 千吨 | 2026-9 |
| 1982/1983 | 1000 | 千吨 | 2026-9 |
| 1981/1982 | 700 | 千吨 | 2026-9 |
| 1980/1981 | 320 | 千吨 | 2026-9 |
| 1979/1980 | 400 | 千吨 | 2026-9 |
| 1978/1979 | 350 | 千吨 | 2026-9 |
| 1977/1978 | 200 | 千吨 | 2026-9 |
| 1976/1977 | 260 | 千吨 | 2026-9 |
| 1975/1976 | 250 | 千吨 | 2026-9 |
| 1974/1975 | 115 | 千吨 | 2026-9 |
| 1973/1974 | 130 | 千吨 | 2026-9 |
| 1972/1973 | 215 | 千吨 | 2026-9 |
| 1971/1972 | 405 | 千吨 | 2026-9 |
| 1970/1971 | 305 | 千吨 | 2026-9 |
| 1969/1970 | 88 | 千吨 | 2026-9 |
| 1968/1969 | 321 | 千吨 | 2026-9 |
| 1967/1968 | 597 | 千吨 | 2026-9 |
| 1966/1967 | 530 | 千吨 | 2026-9 |
| 1965/1966 | 175 | 千吨 | 2026-9 |
| 1964/1965 | 11 | 千吨 | 2026-9 |
| 1963/1964 | 28 | 千吨 | 2026-9 |
| 1962/1963 | 2 | 千吨 | 2026-9 |
| 1961/1962 | 8 | 千吨 | 2026-9 |
| 1960/1961 | 34 | 千吨 | 2026-9 |