| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 3300 | 千吨 | 2026-9 |
| 1997/1998 | 3250 | 千吨 | 2026-9 |
| 1996/1997 | 1800 | 千吨 | 2026-9 |
| 1995/1996 | 3150 | 千吨 | 2026-9 |
| 1994/1995 | 3754 | 千吨 | 2026-9 |
| 1993/1994 | 3618 | 千吨 | 2026-9 |
| 1992/1993 | 3440 | 千吨 | 2026-9 |
| 1991/1992 | 4500 | 千吨 | 2026-9 |
| 1990/1991 | 5095 | 千吨 | 2026-9 |
| 1989/1990 | 5402 | 千吨 | 2026-9 |
| 1988/1989 | 4743 | 千吨 | 2026-9 |
| 1987/1988 | 4149 | 千吨 | 2026-9 |
| 1986/1987 | 4327 | 千吨 | 2026-9 |
| 1985/1986 | 3068 | 千吨 | 2026-9 |
| 1984/1985 | 4836 | 千吨 | 2026-9 |
| 1983/1984 | 3600 | 千吨 | 2026-9 |
| 1982/1983 | 4913 | 千吨 | 2026-9 |
| 1981/1982 | 4443 | 千吨 | 2026-9 |
| 1980/1981 | 3847 | 千吨 | 2026-9 |
| 1979/1980 | 3355 | 千吨 | 2026-9 |
| 1978/1979 | 3466 | 千吨 | 2026-9 |
| 1977/1978 | 3384 | 千吨 | 2026-9 |
| 1976/1977 | 3511 | 千吨 | 2026-9 |
| 1975/1976 | 2996 | 千吨 | 2026-9 |
| 1974/1975 | 3034 | 千吨 | 2026-9 |
| 1973/1974 | 3258 | 千吨 | 2026-9 |
| 1972/1973 | 3582 | 千吨 | 2026-9 |
| 1971/1972 | 3095 | 千吨 | 2026-9 |
| 1970/1971 | 3032 | 千吨 | 2026-9 |
| 1969/1970 | 2569 | 千吨 | 2026-9 |
| 1968/1969 | 2549 | 千吨 | 2026-9 |
| 1967/1968 | 3256 | 千吨 | 2026-9 |
| 1966/1967 | 3195 | 千吨 | 2026-9 |
| 1965/1966 | 2923 | 千吨 | 2026-9 |
| 1964/1965 | 2121 | 千吨 | 2026-9 |
| 1963/1964 | 1894 | 千吨 | 2026-9 |
| 1962/1963 | 2085 | 千吨 | 2026-9 |
| 1961/1962 | 2034 | 千吨 | 2026-9 |
| 1960/1961 | 2389 | 千吨 | 2026-9 |