| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5200 | 千吨 | 2026-9 |
| 1997/1998 | 7186 | 千吨 | 2026-9 |
| 1996/1997 | 3165 | 千吨 | 2026-9 |
| 1995/1996 | 7700 | 千吨 | 2026-9 |
| 1994/1995 | 6187 | 千吨 | 2026-9 |
| 1993/1994 | 5300 | 千吨 | 2026-9 |
| 1992/1993 | 3048 | 千吨 | 2026-9 |
| 1991/1992 | 5490 | 千吨 | 2026-9 |
| 1990/1991 | 7311 | 千吨 | 2026-9 |
| 1989/1990 | 7857 | 千吨 | 2026-9 |
| 1988/1989 | 8400 | 千吨 | 2026-9 |
| 1987/1988 | 6000 | 千吨 | 2026-9 |
| 1986/1987 | 6700 | 千吨 | 2026-9 |
| 1985/1986 | 5665 | 千吨 | 2026-9 |
| 1984/1985 | 7578 | 千吨 | 2026-9 |
| 1983/1984 | 5220 | 千吨 | 2026-9 |
| 1982/1983 | 6465 | 千吨 | 2026-9 |
| 1981/1982 | 5305 | 千吨 | 2026-9 |
| 1980/1981 | 6427 | 千吨 | 2026-9 |
| 1979/1980 | 4666 | 千吨 | 2026-9 |
| 1978/1979 | 6250 | 千吨 | 2026-9 |
| 1977/1978 | 6463 | 千吨 | 2026-9 |
| 1976/1977 | 6724 | 千吨 | 2026-9 |
| 1975/1976 | 4860 | 千吨 | 2026-9 |
| 1974/1975 | 4994 | 千吨 | 2026-9 |
| 1973/1974 | 5478 | 千吨 | 2026-9 |
| 1972/1973 | 6047 | 千吨 | 2026-9 |
| 1971/1972 | 5595 | 千吨 | 2026-9 |
| 1970/1971 | 3356 | 千吨 | 2026-9 |
| 1969/1970 | 4349 | 千吨 | 2026-9 |
| 1968/1969 | 4848 | 千吨 | 2026-9 |
| 1967/1968 | 5820 | 千吨 | 2026-9 |
| 1966/1967 | 5065 | 千吨 | 2026-9 |
| 1965/1966 | 5937 | 千吨 | 2026-9 |
| 1964/1965 | 3824 | 千吨 | 2026-9 |
| 1963/1964 | 3799 | 千吨 | 2026-9 |
| 1962/1963 | 4054 | 千吨 | 2026-9 |
| 1961/1962 | 3990 | 千吨 | 2026-9 |
| 1960/1961 | 3450 | 千吨 | 2026-9 |