| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 8000 | 千吨 | 2026-9 |
| 1997/1998 | 12680 | 千吨 | 2026-9 |
| 1996/1997 | 9610 | 千吨 | 2026-9 |
| 1995/1996 | 9923 | 千吨 | 2026-9 |
| 1994/1995 | 8500 | 千吨 | 2026-9 |
| 1993/1994 | 8000 | 千吨 | 2026-9 |
| 1992/1993 | 6829 | 千吨 | 2026-9 |
| 1991/1992 | 10500 | 千吨 | 2026-9 |
| 1990/1991 | 6800 | 千吨 | 2026-9 |
| 1989/1990 | 6760 | 千吨 | 2026-9 |
| 1988/1989 | 10000 | 千吨 | 2026-9 |
| 1987/1988 | 10500 | 千吨 | 2026-9 |
| 1986/1987 | 12000 | 千吨 | 2026-9 |
| 1985/1986 | 10500 | 千吨 | 2026-9 |
| 1984/1985 | 13274 | 千吨 | 2026-9 |
| 1983/1984 | 11982 | 千吨 | 2026-9 |
| 1982/1983 | 12620 | 千吨 | 2026-9 |
| 1981/1982 | 11892 | 千吨 | 2026-9 |
| 1980/1981 | 11153 | 千吨 | 2026-9 |
| 1979/1980 | 12425 | 千吨 | 2026-9 |
| 1978/1979 | 10208 | 千吨 | 2026-9 |
| 1977/1978 | 10114 | 千吨 | 2026-9 |
| 1976/1977 | 11583 | 千吨 | 2026-9 |
| 1975/1976 | 9241 | 千吨 | 2026-9 |
| 1974/1975 | 7440 | 千吨 | 2026-9 |
| 1973/1974 | 7397 | 千吨 | 2026-9 |
| 1972/1973 | 9817 | 千吨 | 2026-9 |
| 1971/1972 | 7850 | 千吨 | 2026-9 |
| 1970/1971 | 6536 | 千吨 | 2026-9 |
| 1969/1970 | 7676 | 千吨 | 2026-9 |
| 1968/1969 | 7105 | 千吨 | 2026-9 |
| 1967/1968 | 6858 | 千吨 | 2026-9 |
| 1966/1967 | 8022 | 千吨 | 2026-9 |
| 1965/1966 | 5877 | 千吨 | 2026-9 |
| 1964/1965 | 6692 | 千吨 | 2026-9 |
| 1963/1964 | 6023 | 千吨 | 2026-9 |
| 1962/1963 | 4932 | 千吨 | 2026-9 |
| 1961/1962 | 5740 | 千吨 | 2026-9 |
| 1960/1961 | 5531 | 千吨 | 2026-9 |