| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 2123 | 千吨 | 2026-9 |
| 1997/1998 | 1273 | 千吨 | 2026-9 |
| 1996/1997 | 2519 | 千吨 | 2026-9 |
| 1995/1996 | 2840 | 千吨 | 2026-9 |
| 1994/1995 | 2474 | 千吨 | 2026-9 |
| 1993/1994 | 1829 | 千吨 | 2026-9 |
| 1992/1993 | 1346 | 千吨 | 2026-9 |
| 1991/1992 | 1375 | 千吨 | 2026-9 |
| 1990/1991 | 2025 | 千吨 | 2026-9 |
| 1989/1990 | 2426 | 千吨 | 2026-9 |
| 1988/1989 | 2090 | 千吨 | 2026-9 |
| 1987/1988 | 2812 | 千吨 | 2026-9 |
| 1986/1987 | 2573 | 千吨 | 2026-9 |
| 1985/1986 | 2787 | 千吨 | 2026-9 |
| 1984/1985 | 2686 | 千吨 | 2026-9 |
| 1983/1984 | 2396 | 千吨 | 2026-9 |
| 1982/1983 | 2336 | 千吨 | 2026-9 |
| 1981/1982 | 2370 | 千吨 | 2026-9 |
| 1980/1981 | 2665 | 千吨 | 2026-9 |
| 1979/1980 | 2622 | 千吨 | 2026-9 |
| 1978/1979 | 2782 | 千吨 | 2026-9 |
| 1977/1978 | 2729 | 千吨 | 2026-9 |
| 1976/1977 | 2136 | 千吨 | 2026-9 |
| 1975/1976 | 2368 | 千吨 | 2026-9 |
| 1974/1975 | 2958 | 千吨 | 2026-9 |
| 1973/1974 | 3180 | 千吨 | 2026-9 |
| 1972/1973 | 3446 | 千吨 | 2026-9 |
| 1971/1972 | 3292 | 千吨 | 2026-9 |
| 1970/1971 | 3239 | 千吨 | 2026-9 |
| 1969/1970 | 3051 | 千吨 | 2026-9 |
| 1968/1969 | 3695 | 千吨 | 2026-9 |
| 1967/1968 | 3550 | 千吨 | 2026-9 |
| 1966/1967 | 3242 | 千吨 | 2026-9 |
| 1965/1966 | 3716 | 千吨 | 2026-9 |
| 1964/1965 | 4099 | 千吨 | 2026-9 |
| 1963/1964 | 3856 | 千吨 | 2026-9 |
| 1962/1963 | 4217 | 千吨 | 2026-9 |
| 1961/1962 | 4078 | 千吨 | 2026-9 |
| 1960/1961 | 4916 | 千吨 | 2026-9 |