| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 6800 | 千吨 | 2026-9 |
| 1997/1998 | 8712 | 千吨 | 2026-9 |
| 1996/1997 | 7400 | 千吨 | 2026-9 |
| 1995/1996 | 7500 | 千吨 | 2026-9 |
| 1994/1995 | 6700 | 千吨 | 2026-9 |
| 1993/1994 | 6150 | 千吨 | 2026-9 |
| 1992/1993 | 6829 | 千吨 | 2026-9 |
| 1991/1992 | 8500 | 千吨 | 2026-9 |
| 1990/1991 | 5914 | 千吨 | 2026-9 |
| 1989/1990 | 6000 | 千吨 | 2026-9 |
| 1988/1989 | 8800 | 千吨 | 2026-9 |
| 1987/1988 | 10300 | 千吨 | 2026-9 |
| 1986/1987 | 9250 | 千吨 | 2026-9 |
| 1985/1986 | 9800 | 千吨 | 2026-9 |
| 1984/1985 | 10000 | 千吨 | 2026-9 |
| 1983/1984 | 8800 | 千吨 | 2026-9 |
| 1982/1983 | 9500 | 千吨 | 2026-9 |
| 1981/1982 | 9390 | 千吨 | 2026-9 |
| 1980/1981 | 9550 | 千吨 | 2026-9 |
| 1979/1980 | 9600 | 千吨 | 2026-9 |
| 1978/1979 | 8097 | 千吨 | 2026-9 |
| 1977/1978 | 7361 | 千吨 | 2026-9 |
| 1976/1977 | 7211 | 千吨 | 2026-9 |
| 1975/1976 | 7523 | 千吨 | 2026-9 |
| 1974/1975 | 7103 | 千吨 | 2026-9 |
| 1973/1974 | 5950 | 千吨 | 2026-9 |
| 1972/1973 | 6919 | 千吨 | 2026-9 |
| 1971/1972 | 5085 | 千吨 | 2026-9 |
| 1970/1971 | 4708 | 千吨 | 2026-9 |
| 1969/1970 | 5208 | 千吨 | 2026-9 |
| 1968/1969 | 4854 | 千吨 | 2026-9 |
| 1967/1968 | 4375 | 千吨 | 2026-9 |
| 1966/1967 | 4925 | 千吨 | 2026-9 |
| 1965/1966 | 3164 | 千吨 | 2026-9 |
| 1964/1965 | 4011 | 千吨 | 2026-9 |
| 1963/1964 | 2981 | 千吨 | 2026-9 |
| 1962/1963 | 2252 | 千吨 | 2026-9 |
| 1961/1962 | 760 | 千吨 | 2026-9 |
| 1960/1961 | 2938 | 千吨 | 2026-9 |