| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 14589 | 千吨 | 2026-9 |
| 1997/1998 | 14196 | 千吨 | 2026-9 |
| 1996/1997 | 17835 | 千吨 | 2026-9 |
| 1995/1996 | 13242 | 千吨 | 2026-9 |
| 1994/1995 | 17110 | 千吨 | 2026-9 |
| 1993/1994 | 20066 | 千吨 | 2026-9 |
| 1992/1993 | 23687 | 千吨 | 2026-9 |
| 1991/1992 | 22919 | 千吨 | 2026-9 |
| 1990/1991 | 22240 | 千吨 | 2026-9 |
| 1989/1990 | 22314 | 千吨 | 2026-9 |
| 1988/1989 | 21748 | 千吨 | 2026-9 |
| 1987/1988 | 15340 | 千吨 | 2026-9 |
| 1986/1987 | 16408 | 千吨 | 2026-9 |
| 1985/1986 | 15600 | 千吨 | 2026-9 |
| 1984/1985 | 18500 | 千吨 | 2026-9 |
| 1983/1984 | 15500 | 千吨 | 2026-9 |
| 1982/1983 | 16300 | 千吨 | 2026-9 |
| 1981/1982 | 15700 | 千吨 | 2026-9 |
| 1980/1981 | 15700 | 千吨 | 2026-9 |
| 1979/1980 | 10700 | 千吨 | 2026-9 |
| 1978/1979 | 8800 | 千吨 | 2026-9 |
| 1977/1978 | 5100 | 千吨 | 2026-9 |
| 1976/1977 | 5100 | 千吨 | 2026-9 |
| 1975/1976 | 8400 | 千吨 | 2026-9 |
| 1974/1975 | 6800 | 千吨 | 2026-9 |
| 1973/1974 | 5200 | 千吨 | 2026-9 |
| 1972/1973 | 6000 | 千吨 | 2026-9 |
| 1971/1972 | 9362 | 千吨 | 2026-9 |
| 1970/1971 | 6249 | 千吨 | 2026-9 |
| 1969/1970 | 10821 | 千吨 | 2026-9 |
| 1968/1969 | 9656 | 千吨 | 2026-9 |
| 1967/1968 | 7698 | 千吨 | 2026-9 |
| 1966/1967 | 6036 | 千吨 | 2026-9 |
| 1965/1966 | 7122 | 千吨 | 2026-9 |
| 1964/1965 | 6584 | 千吨 | 2026-9 |
| 1963/1964 | 4733 | 千吨 | 2026-9 |
| 1962/1963 | 4582 | 千吨 | 2026-9 |
| 1961/1962 | 3836 | 千吨 | 2026-9 |
| 1960/1961 | 3060 | 千吨 | 2026-9 |