| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5 | 千吨 | 2026-9 |
| 1997/1998 | 2 | 千吨 | 2026-9 |
| 1996/1997 | 17 | 千吨 | 2026-9 |
| 1995/1996 | 2 | 千吨 | 2026-9 |
| 1994/1995 | 20 | 千吨 | 2026-9 |
| 1993/1994 | 80 | 千吨 | 2026-9 |
| 1992/1993 | 56 | 千吨 | 2026-9 |
| 1991/1992 | 21 | 千吨 | 2026-9 |
| 1990/1991 | 56 | 千吨 | 2026-9 |
| 1989/1990 | 41 | 千吨 | 2026-9 |
| 1988/1989 | 133 | 千吨 | 2026-9 |
| 1987/1988 | 104 | 千吨 | 2026-9 |
| 1986/1987 | 32 | 千吨 | 2026-9 |
| 1985/1986 | 16 | 千吨 | 2026-9 |
| 1984/1985 | 9 | 千吨 | 2026-9 |
| 1983/1984 | 52 | 千吨 | 2026-9 |
| 1982/1983 | 8 | 千吨 | 2026-9 |
| 1981/1982 | 277 | 千吨 | 2026-9 |
| 1980/1981 | 187 | 千吨 | 2026-9 |
| 1979/1980 | 179 | 千吨 | 2026-9 |
| 1978/1979 | 506 | 千吨 | 2026-9 |
| 1977/1978 | 479 | 千吨 | 2026-9 |
| 1976/1977 | 748 | 千吨 | 2026-9 |
| 1975/1976 | 140 | 千吨 | 2026-9 |
| 1974/1975 | 189 | 千吨 | 2026-9 |
| 1973/1974 | 568 | 千吨 | 2026-9 |
| 1972/1973 | 966 | 千吨 | 2026-9 |
| 1971/1972 | 711 | 千吨 | 2026-9 |
| 1970/1971 | 1421 | 千吨 | 2026-9 |
| 1969/1970 | 735 | 千吨 | 2026-9 |
| 1968/1969 | 936 | 千吨 | 2026-9 |
| 1967/1968 | 957 | 千吨 | 2026-9 |
| 1966/1967 | 906 | 千吨 | 2026-9 |
| 1965/1966 | 1264 | 千吨 | 2026-9 |
| 1964/1965 | 935 | 千吨 | 2026-9 |
| 1963/1964 | 710 | 千吨 | 2026-9 |
| 1962/1963 | 1142 | 千吨 | 2026-9 |
| 1961/1962 | 1153 | 千吨 | 2026-9 |
| 1960/1961 | 926 | 千吨 | 2026-9 |