| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 245 | 千吨 | 2026-9 |
| 1997/1998 | 278 | 千吨 | 2026-9 |
| 1996/1997 | 291 | 千吨 | 2026-9 |
| 1995/1996 | 280 | 千吨 | 2026-9 |
| 1994/1995 | 222 | 千吨 | 2026-9 |
| 1993/1994 | 174 | 千吨 | 2026-9 |
| 1992/1993 | 180 | 千吨 | 2026-9 |
| 1991/1992 | 213 | 千吨 | 2026-9 |
| 1990/1991 | 215 | 千吨 | 2026-9 |
| 1989/1990 | 226 | 千吨 | 2026-9 |
| 1988/1989 | 225 | 千吨 | 2026-9 |
| 1987/1988 | 220 | 千吨 | 2026-9 |
| 1986/1987 | 205 | 千吨 | 2026-9 |
| 1985/1986 | 205 | 千吨 | 2026-9 |
| 1984/1985 | 179 | 千吨 | 2026-9 |
| 1983/1984 | 155 | 千吨 | 2026-9 |
| 1982/1983 | 178 | 千吨 | 2026-9 |
| 1981/1982 | 163 | 千吨 | 2026-9 |
| 1980/1981 | 181 | 千吨 | 2026-9 |
| 1979/1980 | 68 | 千吨 | 2026-9 |
| 1978/1979 | 172 | 千吨 | 2026-9 |
| 1977/1978 | 144 | 千吨 | 2026-9 |
| 1976/1977 | 175 | 千吨 | 2026-9 |
| 1975/1976 | 120 | 千吨 | 2026-9 |
| 1974/1975 | 114 | 千吨 | 2026-9 |
| 1973/1974 | 103 | 千吨 | 2026-9 |
| 1972/1973 | 81 | 千吨 | 2026-9 |
| 1971/1972 | 114 | 千吨 | 2026-9 |
| 1970/1971 | 125 | 千吨 | 2026-9 |
| 1969/1970 | 31 | 千吨 | 2026-9 |
| 1968/1969 | 105 | 千吨 | 2026-9 |
| 1967/1968 | 85 | 千吨 | 2026-9 |
| 1966/1967 | 67 | 千吨 | 2026-9 |
| 1965/1966 | 82 | 千吨 | 2026-9 |
| 1964/1965 | 53 | 千吨 | 2026-9 |