| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 402 | 千吨 | 2026-9 |
| 1997/1998 | 403 | 千吨 | 2026-9 |
| 1996/1997 | 410 | 千吨 | 2026-9 |
| 1995/1996 | 424 | 千吨 | 2026-9 |
| 1994/1995 | 424 | 千吨 | 2026-9 |
| 1993/1994 | 388 | 千吨 | 2026-9 |
| 1992/1993 | 400 | 千吨 | 2026-9 |
| 1991/1992 | 379 | 千吨 | 2026-9 |
| 1990/1991 | 391 | 千吨 | 2026-9 |
| 1989/1990 | 400 | 千吨 | 2026-9 |
| 1988/1989 | 340 | 千吨 | 2026-9 |
| 1987/1988 | 220 | 千吨 | 2026-9 |
| 1986/1987 | 195 | 千吨 | 2026-9 |
| 1985/1986 | 178 | 千吨 | 2026-9 |
| 1984/1985 | 273 | 千吨 | 2026-9 |
| 1983/1984 | 228 | 千吨 | 2026-9 |
| 1982/1983 | 120 | 千吨 | 2026-9 |
| 1981/1982 | 213 | 千吨 | 2026-9 |
| 1980/1981 | 245 | 千吨 | 2026-9 |
| 1979/1980 | 69 | 千吨 | 2026-9 |
| 1978/1979 | 243 | 千吨 | 2026-9 |
| 1977/1978 | 146 | 千吨 | 2026-9 |
| 1976/1977 | 177 | 千吨 | 2026-9 |
| 1975/1976 | 4 | 千吨 | 2026-9 |
| 1974/1975 | 161 | 千吨 | 2026-9 |
| 1973/1974 | 146 | 千吨 | 2026-9 |
| 1972/1973 | 83 | 千吨 | 2026-9 |
| 1971/1972 | 140 | 千吨 | 2026-9 |
| 1970/1971 | 284 | 千吨 | 2026-9 |
| 1969/1970 | 184 | 千吨 | 2026-9 |
| 1968/1969 | 171 | 千吨 | 2026-9 |
| 1967/1968 | 272 | 千吨 | 2026-9 |
| 1966/1967 | 185 | 千吨 | 2026-9 |
| 1965/1966 | 200 | 千吨 | 2026-9 |
| 1964/1965 | 491 | 千吨 | 2026-9 |
| 1963/1964 | 188 | 千吨 | 2026-9 |
| 1962/1963 | 294 | 千吨 | 2026-9 |
| 1961/1962 | 204 | 千吨 | 2026-9 |
| 1960/1961 | 242 | 千吨 | 2026-9 |