| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 6345 | 千吨 | 2026-9 |
| 1997/1998 | 6021 | 千吨 | 2026-9 |
| 1996/1997 | 5680 | 千吨 | 2026-9 |
| 1995/1996 | 6134 | 千吨 | 2026-9 |
| 1994/1995 | 4943 | 千吨 | 2026-9 |
| 1993/1994 | 4572 | 千吨 | 2026-9 |
| 1992/1993 | 3807 | 千吨 | 2026-9 |
| 1991/1992 | 4942 | 千吨 | 2026-9 |
| 1990/1991 | 6247 | 千吨 | 2026-9 |
| 1989/1990 | 6130 | 千吨 | 2026-9 |
| 1988/1989 | 5178 | 千吨 | 2026-9 |
| 1987/1988 | 5822 | 千吨 | 2026-9 |
| 1986/1987 | 5948 | 千吨 | 2026-9 |
| 1985/1986 | 6299 | 千吨 | 2026-9 |
| 1984/1985 | 6705 | 千吨 | 2026-9 |
| 1983/1984 | 5493 | 千吨 | 2026-9 |
| 1982/1983 | 5390 | 千吨 | 2026-9 |
| 1981/1982 | 5166 | 千吨 | 2026-9 |
| 1980/1981 | 6006 | 千吨 | 2026-9 |
| 1979/1980 | 5685 | 千吨 | 2026-9 |
| 1978/1979 | 6552 | 千吨 | 2026-9 |
| 1977/1978 | 6201 | 千吨 | 2026-9 |
| 1976/1977 | 5638 | 千吨 | 2026-9 |
| 1975/1976 | 5442 | 千吨 | 2026-9 |
| 1974/1975 | 6562 | 千吨 | 2026-9 |
| 1973/1974 | 6206 | 千吨 | 2026-9 |
| 1972/1973 | 6921 | 千吨 | 2026-9 |
| 1971/1972 | 6933 | 千吨 | 2026-9 |
| 1970/1971 | 6037 | 千吨 | 2026-9 |
| 1969/1970 | 6482 | 千吨 | 2026-9 |
| 1968/1969 | 7322 | 千吨 | 2026-9 |
| 1967/1968 | 7305 | 千吨 | 2026-9 |
| 1966/1967 | 6251 | 千吨 | 2026-9 |
| 1965/1966 | 7100 | 千吨 | 2026-9 |
| 1964/1965 | 7993 | 千吨 | 2026-9 |
| 1963/1964 | 7318 | 千吨 | 2026-9 |
| 1962/1963 | 7508 | 千吨 | 2026-9 |
| 1961/1962 | 6674 | 千吨 | 2026-9 |
| 1960/1961 | 8880 | 千吨 | 2026-9 |