| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5684 | 千吨 | 2026-9 |
| 1997/1998 | 6133 | 千吨 | 2026-9 |
| 1996/1997 | 6289 | 千吨 | 2026-9 |
| 1995/1996 | 5595 | 千吨 | 2026-9 |
| 1994/1995 | 5895 | 千吨 | 2026-9 |
| 1993/1994 | 5927 | 千吨 | 2026-9 |
| 1992/1993 | 5461 | 千吨 | 2026-9 |
| 1991/1992 | 6307 | 千吨 | 2026-9 |
| 1990/1991 | 7088 | 千吨 | 2026-9 |
| 1989/1990 | 7136 | 千吨 | 2026-9 |
| 1988/1989 | 7977 | 千吨 | 2026-9 |
| 1987/1988 | 8163 | 千吨 | 2026-9 |
| 1986/1987 | 8878 | 千吨 | 2026-9 |
| 1985/1986 | 10982 | 千吨 | 2026-9 |
| 1984/1985 | 10039 | 千吨 | 2026-9 |
| 1983/1984 | 9123 | 千吨 | 2026-9 |
| 1982/1983 | 11228 | 千吨 | 2026-9 |
| 1981/1982 | 10685 | 千吨 | 2026-9 |
| 1980/1981 | 11101 | 千吨 | 2026-9 |
| 1979/1980 | 11530 | 千吨 | 2026-9 |
| 1978/1979 | 12110 | 千吨 | 2026-9 |
| 1977/1978 | 10255 | 千吨 | 2026-9 |
| 1976/1977 | 10658 | 千吨 | 2026-9 |
| 1975/1976 | 12695 | 千吨 | 2026-9 |
| 1974/1975 | 12851 | 千吨 | 2026-9 |
| 1973/1974 | 12440 | 千吨 | 2026-9 |
| 1972/1973 | 13357 | 千吨 | 2026-9 |
| 1971/1972 | 13382 | 千吨 | 2026-9 |
| 1970/1971 | 12552 | 千吨 | 2026-9 |
| 1969/1970 | 13451 | 千吨 | 2026-9 |
| 1968/1969 | 14029 | 千吨 | 2026-9 |
| 1967/1968 | 14123 | 千吨 | 2026-9 |
| 1966/1967 | 12684 | 千吨 | 2026-9 |
| 1965/1966 | 12928 | 千吨 | 2026-9 |
| 1964/1965 | 13024 | 千吨 | 2026-9 |
| 1963/1964 | 13661 | 千吨 | 2026-9 |
| 1962/1963 | 13836 | 千吨 | 2026-9 |
| 1961/1962 | 14213 | 千吨 | 2026-9 |
| 1960/1961 | 14343 | 千吨 | 2026-9 |