| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5177 | 千吨 | 2026-9 |
| 1997/1998 | 4808 | 千吨 | 2026-9 |
| 1996/1997 | 4096 | 千吨 | 2026-9 |
| 1995/1996 | 3077 | 千吨 | 2026-9 |
| 1994/1995 | 2582 | 千吨 | 2026-9 |
| 1993/1994 | 2669 | 千吨 | 2026-9 |
| 1992/1993 | 2439 | 千吨 | 2026-9 |
| 1991/1992 | 2328 | 千吨 | 2026-9 |
| 1990/1991 | 1121 | 千吨 | 2026-9 |
| 1989/1990 | 1532 | 千吨 | 2026-9 |
| 1988/1989 | 780 | 千吨 | 2026-9 |
| 1987/1988 | 1327 | 千吨 | 2026-9 |
| 1986/1987 | 1139 | 千吨 | 2026-9 |
| 1985/1986 | 1104 | 千吨 | 2026-9 |
| 1984/1985 | 1186 | 千吨 | 2026-9 |
| 1983/1984 | 827 | 千吨 | 2026-9 |
| 1982/1983 | 1152 | 千吨 | 2026-9 |
| 1981/1982 | 939 | 千吨 | 2026-9 |
| 1980/1981 | 1026 | 千吨 | 2026-9 |
| 1979/1980 | 1035 | 千吨 | 2026-9 |
| 1978/1979 | 1096 | 千吨 | 2026-9 |
| 1977/1978 | 1981 | 千吨 | 2026-9 |
| 1976/1977 | 1876 | 千吨 | 2026-9 |
| 1975/1976 | 2532 | 千吨 | 2026-9 |
| 1974/1975 | 2783 | 千吨 | 2026-9 |
| 1973/1974 | 2783 | 千吨 | 2026-9 |
| 1972/1973 | 3027 | 千吨 | 2026-9 |
| 1971/1972 | 3132 | 千吨 | 2026-9 |
| 1970/1971 | 2841 | 千吨 | 2026-9 |
| 1969/1970 | 3362 | 千吨 | 2026-9 |
| 1968/1969 | 3502 | 千吨 | 2026-9 |
| 1967/1968 | 3481 | 千吨 | 2026-9 |
| 1966/1967 | 3227 | 千吨 | 2026-9 |
| 1965/1966 | 3425 | 千吨 | 2026-9 |
| 1964/1965 | 3980 | 千吨 | 2026-9 |
| 1963/1964 | 7066 | 千吨 | 2026-9 |
| 1962/1963 | 4013 | 千吨 | 2026-9 |
| 1961/1962 | 3622 | 千吨 | 2026-9 |
| 1960/1961 | 3827 | 千吨 | 2026-9 |