| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 340 | 千吨 | 2026-9 |
| 1997/1998 | 328 | 千吨 | 2026-9 |
| 1996/1997 | 341 | 千吨 | 2026-9 |
| 1995/1996 | 341 | 千吨 | 2026-9 |
| 1994/1995 | 267 | 千吨 | 2026-9 |
| 1993/1994 | 214 | 千吨 | 2026-9 |
| 1992/1993 | 220 | 千吨 | 2026-9 |
| 1991/1992 | 254 | 千吨 | 2026-9 |
| 1990/1991 | 265 | 千吨 | 2026-9 |
| 1989/1990 | 261 | 千吨 | 2026-9 |
| 1988/1989 | 260 | 千吨 | 2026-9 |
| 1987/1988 | 250 | 千吨 | 2026-9 |
| 1986/1987 | 230 | 千吨 | 2026-9 |
| 1985/1986 | 230 | 千吨 | 2026-9 |
| 1984/1985 | 201 | 千吨 | 2026-9 |
| 1983/1984 | 175 | 千吨 | 2026-9 |
| 1982/1983 | 198 | 千吨 | 2026-9 |
| 1981/1982 | 183 | 千吨 | 2026-9 |
| 1980/1981 | 201 | 千吨 | 2026-9 |
| 1979/1980 | 88 | 千吨 | 2026-9 |
| 1978/1979 | 192 | 千吨 | 2026-9 |
| 1977/1978 | 164 | 千吨 | 2026-9 |
| 1976/1977 | 195 | 千吨 | 2026-9 |
| 1975/1976 | 140 | 千吨 | 2026-9 |
| 1974/1975 | 139 | 千吨 | 2026-9 |
| 1973/1974 | 123 | 千吨 | 2026-9 |
| 1972/1973 | 101 | 千吨 | 2026-9 |
| 1971/1972 | 134 | 千吨 | 2026-9 |
| 1970/1971 | 145 | 千吨 | 2026-9 |
| 1969/1970 | 51 | 千吨 | 2026-9 |
| 1968/1969 | 125 | 千吨 | 2026-9 |
| 1967/1968 | 105 | 千吨 | 2026-9 |
| 1966/1967 | 87 | 千吨 | 2026-9 |
| 1965/1966 | 102 | 千吨 | 2026-9 |
| 1964/1965 | 73 | 千吨 | 2026-9 |