| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 31769 | 千吨 | 2026-9 |
| 1997/1998 | 30967 | 千吨 | 2026-9 |
| 1996/1997 | 32923 | 千吨 | 2026-9 |
| 1995/1996 | 31886 | 千吨 | 2026-9 |
| 1994/1995 | 30495 | 千吨 | 2026-9 |
| 1993/1994 | 30948 | 千吨 | 2026-9 |
| 1992/1993 | 29754 | 千吨 | 2026-9 |
| 1991/1992 | 32411 | 千吨 | 2026-9 |
| 1990/1991 | 34622 | 千吨 | 2026-9 |
| 1989/1990 | 37839 | 千吨 | 2026-9 |
| 1988/1989 | 38013 | 千吨 | 2026-9 |
| 1987/1988 | 38420 | 千吨 | 2026-9 |
| 1986/1987 | 38574 | 千吨 | 2026-9 |
| 1985/1986 | 40869 | 千吨 | 2026-9 |
| 1984/1985 | 41837 | 千吨 | 2026-9 |
| 1983/1984 | 40379 | 千吨 | 2026-9 |
| 1982/1983 | 40105 | 千吨 | 2026-9 |
| 1981/1982 | 38439 | 千吨 | 2026-9 |
| 1980/1981 | 42712 | 千吨 | 2026-9 |
| 1979/1980 | 41854 | 千吨 | 2026-9 |
| 1978/1979 | 41774 | 千吨 | 2026-9 |
| 1977/1978 | 39299 | 千吨 | 2026-9 |
| 1976/1977 | 37791 | 千吨 | 2026-9 |
| 1975/1976 | 36568 | 千吨 | 2026-9 |
| 1974/1975 | 35680 | 千吨 | 2026-9 |
| 1973/1974 | 36183 | 千吨 | 2026-9 |
| 1972/1973 | 34362 | 千吨 | 2026-9 |
| 1971/1972 | 33684 | 千吨 | 2026-9 |
| 1970/1971 | 32024 | 千吨 | 2026-9 |
| 1969/1970 | 32975 | 千吨 | 2026-9 |
| 1968/1969 | 30183 | 千吨 | 2026-9 |
| 1967/1968 | 29287 | 千吨 | 2026-9 |
| 1966/1967 | 26792 | 千吨 | 2026-9 |
| 1965/1966 | 24685 | 千吨 | 2026-9 |
| 1964/1965 | 24338 | 千吨 | 2026-9 |
| 1963/1964 | 22849 | 千吨 | 2026-9 |
| 1962/1963 | 20743 | 千吨 | 2026-9 |
| 1961/1962 | 19016 | 千吨 | 2026-9 |
| 1960/1961 | 17677 | 千吨 | 2026-9 |