| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 2500 | 千吨 | 2026-9 |
| 1997/1998 | 2610 | 千吨 | 2026-9 |
| 1996/1997 | 2702 | 千吨 | 2026-9 |
| 1995/1996 | 2285 | 千吨 | 2026-9 |
| 1994/1995 | 2350 | 千吨 | 2026-9 |
| 1993/1994 | 2195 | 千吨 | 2026-9 |
| 1992/1993 | 2052 | 千吨 | 2026-9 |
| 1991/1992 | 2055 | 千吨 | 2026-9 |
| 1990/1991 | 2180 | 千吨 | 2026-9 |
| 1989/1990 | 2189 | 千吨 | 2026-9 |
| 1988/1989 | 679 | 千吨 | 2026-9 |
| 1987/1988 | 2597 | 千吨 | 2026-9 |
| 1986/1987 | 2638 | 千吨 | 2026-9 |
| 1985/1986 | 3268 | 千吨 | 2026-9 |
| 1984/1985 | 3911 | 千吨 | 2026-9 |
| 1983/1984 | 3411 | 千吨 | 2026-9 |
| 1982/1983 | 2492 | 千吨 | 2026-9 |
| 1981/1982 | 2446 | 千吨 | 2026-9 |
| 1980/1981 | 2493 | 千吨 | 2026-9 |
| 1979/1980 | 2813 | 千吨 | 2026-9 |
| 1978/1979 | 2970 | 千吨 | 2026-9 |
| 1977/1978 | 2964 | 千吨 | 2026-9 |
| 1976/1977 | 2400 | 千吨 | 2026-9 |
| 1975/1976 | 2475 | 千吨 | 2026-9 |
| 1974/1975 | 2782 | 千吨 | 2026-9 |
| 1973/1974 | 3044 | 千吨 | 2026-9 |
| 1972/1973 | 3153 | 千吨 | 2026-9 |
| 1971/1972 | 3287 | 千吨 | 2026-9 |
| 1970/1971 | 3031 | 千吨 | 2026-9 |
| 1969/1970 | 3315 | 千吨 | 2026-9 |
| 1968/1969 | 3408 | 千吨 | 2026-9 |
| 1967/1968 | 3400 | 千吨 | 2026-9 |
| 1966/1967 | 3388 | 千吨 | 2026-9 |
| 1965/1966 | 3389 | 千吨 | 2026-9 |
| 1964/1965 | 3260 | 千吨 | 2026-9 |
| 1963/1964 | 3409 | 千吨 | 2026-9 |
| 1962/1963 | 3832 | 千吨 | 2026-9 |
| 1961/1962 | 3940 | 千吨 | 2026-9 |
| 1960/1961 | 4062 | 千吨 | 2026-9 |