| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 11889 | 千吨 | 2026-9 |
| 1997/1998 | 10753 | 千吨 | 2026-9 |
| 1996/1997 | 9379 | 千吨 | 2026-9 |
| 1995/1996 | 11156 | 千吨 | 2026-9 |
| 1994/1995 | 15540 | 千吨 | 2026-9 |
| 1993/1994 | 22269 | 千吨 | 2026-9 |
| 1992/1993 | 24035 | 千吨 | 2026-9 |
| 1991/1992 | 17936 | 千吨 | 2026-9 |
| 1990/1991 | 14106 | 千吨 | 2026-9 |
| 1989/1990 | 13283 | 千吨 | 2026-9 |
| 1988/1989 | 17451 | 千吨 | 2026-9 |
| 1987/1988 | 18980 | 千吨 | 2026-9 |
| 1986/1987 | 18051 | 千吨 | 2026-9 |
| 1985/1986 | 17875 | 千吨 | 2026-9 |
| 1984/1985 | 9832 | 千吨 | 2026-9 |
| 1983/1984 | 13309 | 千吨 | 2026-9 |
| 1982/1983 | 10794 | 千吨 | 2026-9 |
| 1981/1982 | 12580 | 千吨 | 2026-9 |
| 1980/1981 | 10611 | 千吨 | 2026-9 |
| 1979/1980 | 12253 | 千吨 | 2026-9 |
| 1978/1979 | 8308 | 千吨 | 2026-9 |
| 1977/1978 | 10986 | 千吨 | 2026-9 |
| 1976/1977 | 10679 | 千吨 | 2026-9 |
| 1975/1976 | 12754 | 千吨 | 2026-9 |
| 1974/1975 | 10190 | 千吨 | 2026-9 |
| 1973/1974 | 7976 | 千吨 | 2026-9 |
| 1972/1973 | 9483 | 千吨 | 2026-9 |
| 1971/1972 | 7177 | 千吨 | 2026-9 |
| 1970/1971 | 7477 | 千吨 | 2026-9 |
| 1969/1970 | 11490 | 千吨 | 2026-9 |
| 1968/1969 | 10364 | 千吨 | 2026-9 |
| 1967/1968 | 9450 | 千吨 | 2026-9 |
| 1966/1967 | 11221 | 千吨 | 2026-9 |
| 1965/1966 | 9082 | 千吨 | 2026-9 |
| 1964/1965 | 9139 | 千吨 | 2026-9 |
| 1963/1964 | 11351 | 千吨 | 2026-9 |
| 1962/1963 | 8796 | 千吨 | 2026-9 |
| 1961/1962 | 9259 | 千吨 | 2026-9 |
| 1960/1961 | 8641 | 千吨 | 2026-9 |