| 年度 | 数值 | 单位 | 发布时间 |
| 1998/1999 | 1202 | 千吨 | 2026-9 |
| 1997/1998 | 1509 | 千吨 | 2026-9 |
| 1996/1997 | 1022 | 千吨 | 2026-9 |
| 1995/1996 | 1472 | 千吨 | 2026-9 |
| 1994/1995 | 1386 | 千吨 | 2026-9 |
| 1993/1994 | 1028 | 千吨 | 2026-9 |
| 1992/1993 | 2090 | 千吨 | 2026-9 |
| 1991/1992 | 2875 | 千吨 | 2026-9 |
| 1990/1991 | 1740 | 千吨 | 2026-9 |
| 1989/1990 | 2644 | 千吨 | 2026-9 |
| 1988/1989 | 3017 | 千吨 | 2026-9 |
| 1987/1988 | 2910 | 千吨 | 2026-9 |
| 1986/1987 | 3116 | 千吨 | 2026-9 |
| 1985/1986 | 1950 | 千吨 | 2026-9 |
| 1984/1985 | 3394 | 千吨 | 2026-9 |
| 1983/1984 | 3365 | 千吨 | 2026-9 |
| 1982/1983 | 3718 | 千吨 | 2026-9 |
| 1981/1982 | 3301 | 千吨 | 2026-9 |
| 1980/1981 | 3156 | 千吨 | 2026-9 |
| 1979/1980 | 3876 | 千吨 | 2026-9 |
| 1978/1979 | 2461 | 千吨 | 2026-9 |
| 1977/1978 | 3032 | 千吨 | 2026-9 |
| 1976/1977 | 3094 | 千吨 | 2026-9 |
| 1975/1976 | 3198 | 千吨 | 2026-9 |
| 1974/1975 | 1848 | 千吨 | 2026-9 |
| 1973/1974 | 2945 | 千吨 | 2026-9 |
| 1972/1973 | 3042 | 千吨 | 2026-9 |
| 1971/1972 | 2518 | 千吨 | 2026-9 |
| 1970/1971 | 2408 | 千吨 | 2026-9 |
| 1969/1970 | 2415 | 千吨 | 2026-9 |
| 1968/1969 | 1851 | 千吨 | 2026-9 |
| 1967/1968 | 2010 | 千吨 | 2026-9 |
| 1966/1967 | 2232 | 千吨 | 2026-9 |
| 1965/1966 | 1314 | 千吨 | 2026-9 |
| 1964/1965 | 2085 | 千吨 | 2026-9 |
| 1963/1964 | 1840 | 千吨 | 2026-9 |
| 1962/1963 | 1661 | 千吨 | 2026-9 |
| 1961/1962 | 1461 | 千吨 | 2026-9 |
| 1960/1961 | 1566 | 千吨 | 2026-9 |