| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 352 | 千吨 | 2026-9 |
| 1997/1998 | 294 | 千吨 | 2026-9 |
| 1996/1997 | 318 | 千吨 | 2026-9 |
| 1995/1996 | 338 | 千吨 | 2026-9 |
| 1994/1995 | 280 | 千吨 | 2026-9 |
| 1993/1994 | 210 | 千吨 | 2026-9 |
| 1992/1993 | 210 | 千吨 | 2026-9 |
| 1991/1992 | 205 | 千吨 | 2026-9 |
| 1990/1991 | 278 | 千吨 | 2026-9 |
| 1989/1990 | 308 | 千吨 | 2026-9 |
| 1988/1989 | 296 | 千吨 | 2026-9 |
| 1987/1988 | 287 | 千吨 | 2026-9 |
| 1986/1987 | 301 | 千吨 | 2026-9 |
| 1985/1986 | 284 | 千吨 | 2026-9 |
| 1984/1985 | 240 | 千吨 | 2026-9 |
| 1983/1984 | 180 | 千吨 | 2026-9 |
| 1982/1983 | 177 | 千吨 | 2026-9 |
| 1981/1982 | 173 | 千吨 | 2026-9 |
| 1980/1981 | 205 | 千吨 | 2026-9 |
| 1979/1980 | 87 | 千吨 | 2026-9 |
| 1978/1979 | 259 | 千吨 | 2026-9 |
| 1977/1978 | 236 | 千吨 | 2026-9 |
| 1976/1977 | 270 | 千吨 | 2026-9 |
| 1975/1976 | 219 | 千吨 | 2026-9 |
| 1974/1975 | 183 | 千吨 | 2026-9 |
| 1973/1974 | 159 | 千吨 | 2026-9 |
| 1972/1973 | 145 | 千吨 | 2026-9 |
| 1971/1972 | 181 | 千吨 | 2026-9 |
| 1970/1971 | 175 | 千吨 | 2026-9 |
| 1969/1970 | 71 | 千吨 | 2026-9 |
| 1968/1969 | 180 | 千吨 | 2026-9 |
| 1967/1968 | 163 | 千吨 | 2026-9 |
| 1966/1967 | 116 | 千吨 | 2026-9 |
| 1965/1966 | 118 | 千吨 | 2026-9 |
| 1964/1965 | 81 | 千吨 | 2026-9 |