| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 4350 | 千吨 | 2026-9 |
| 1997/1998 | 4500 | 千吨 | 2026-9 |
| 1996/1997 | 4000 | 千吨 | 2026-9 |
| 1995/1996 | 3700 | 千吨 | 2026-9 |
| 1994/1995 | 3125 | 千吨 | 2026-9 |
| 1993/1994 | 3250 | 千吨 | 2026-9 |
| 1992/1993 | 4300 | 千吨 | 2026-9 |
| 1991/1992 | 4850 | 千吨 | 2026-9 |
| 1990/1991 | 4700 | 千吨 | 2026-9 |
| 1989/1990 | 5050 | 千吨 | 2026-9 |
| 1988/1989 | 5875 | 千吨 | 2026-9 |
| 1987/1988 | 6150 | 千吨 | 2026-9 |
| 1986/1987 | 6050 | 千吨 | 2026-9 |
| 1985/1986 | 6000 | 千吨 | 2026-9 |
| 1984/1985 | 5640 | 千吨 | 2026-9 |
| 1983/1984 | 5726 | 千吨 | 2026-9 |
| 1982/1983 | 7100 | 千吨 | 2026-9 |
| 1981/1982 | 6231 | 千吨 | 2026-9 |
| 1980/1981 | 6000 | 千吨 | 2026-9 |
| 1979/1980 | 7070 | 千吨 | 2026-9 |
| 1978/1979 | 5401 | 千吨 | 2026-9 |
| 1977/1978 | 5003 | 千吨 | 2026-9 |
| 1976/1977 | 4699 | 千吨 | 2026-9 |
| 1975/1976 | 5254 | 千吨 | 2026-9 |
| 1974/1975 | 5131 | 千吨 | 2026-9 |
| 1973/1974 | 4686 | 千吨 | 2026-9 |
| 1972/1973 | 4512 | 千吨 | 2026-9 |
| 1971/1972 | 4148 | 千吨 | 2026-9 |
| 1970/1971 | 4126 | 千吨 | 2026-9 |
| 1969/1970 | 3683 | 千吨 | 2026-9 |
| 1968/1969 | 3553 | 千吨 | 2026-9 |
| 1967/1968 | 3412 | 千吨 | 2026-9 |
| 1966/1967 | 3743 | 千吨 | 2026-9 |
| 1965/1966 | 3194 | 千吨 | 2026-9 |
| 1964/1965 | 3344 | 千吨 | 2026-9 |
| 1963/1964 | 3559 | 千吨 | 2026-9 |
| 1962/1963 | 3224 | 千吨 | 2026-9 |
| 1961/1962 | 2775 | 千吨 | 2026-9 |
| 1960/1961 | 3122 | 千吨 | 2026-9 |