| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 6147 | 千吨 | 2026-9 |
| 1997/1998 | 6665 | 千吨 | 2026-9 |
| 1996/1997 | 6886 | 千吨 | 2026-9 |
| 1995/1996 | 5825 | 千吨 | 2026-9 |
| 1994/1995 | 6361 | 千吨 | 2026-9 |
| 1993/1994 | 6888 | 千吨 | 2026-9 |
| 1992/1993 | 5634 | 千吨 | 2026-9 |
| 1991/1992 | 7188 | 千吨 | 2026-9 |
| 1990/1991 | 8003 | 千吨 | 2026-9 |
| 1989/1990 | 7963 | 千吨 | 2026-9 |
| 1988/1989 | 8460 | 千吨 | 2026-9 |
| 1987/1988 | 8440 | 千吨 | 2026-9 |
| 1986/1987 | 9187 | 千吨 | 2026-9 |
| 1985/1986 | 11236 | 千吨 | 2026-9 |
| 1984/1985 | 11547 | 千吨 | 2026-9 |
| 1983/1984 | 9084 | 千吨 | 2026-9 |
| 1982/1983 | 11912 | 千吨 | 2026-9 |
| 1981/1982 | 10897 | 千吨 | 2026-9 |
| 1980/1981 | 11331 | 千吨 | 2026-9 |
| 1979/1980 | 11392 | 千吨 | 2026-9 |
| 1978/1979 | 12321 | 千吨 | 2026-9 |
| 1977/1978 | 10103 | 千吨 | 2026-9 |
| 1976/1977 | 10109 | 千吨 | 2026-9 |
| 1975/1976 | 12337 | 千吨 | 2026-9 |
| 1974/1975 | 12817 | 千吨 | 2026-9 |
| 1973/1974 | 11847 | 千吨 | 2026-9 |
| 1972/1973 | 12969 | 千吨 | 2026-9 |
| 1971/1972 | 14062 | 千吨 | 2026-9 |
| 1970/1971 | 11970 | 千吨 | 2026-9 |
| 1969/1970 | 12873 | 千吨 | 2026-9 |
| 1968/1969 | 13459 | 千吨 | 2026-9 |
| 1967/1968 | 13723 | 千吨 | 2026-9 |
| 1966/1967 | 12078 | 千吨 | 2026-9 |
| 1965/1966 | 12137 | 千吨 | 2026-9 |
| 1964/1965 | 12276 | 千吨 | 2026-9 |
| 1963/1964 | 12923 | 千吨 | 2026-9 |
| 1962/1963 | 13222 | 千吨 | 2026-9 |
| 1961/1962 | 13149 | 千吨 | 2026-9 |
| 1960/1961 | 13694 | 千吨 | 2026-9 |