| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 275 | 千吨 | 2026-9 |
| 1997/1998 | 300 | 千吨 | 2026-9 |
| 1996/1997 | 271 | 千吨 | 2026-9 |
| 1995/1996 | 251 | 千吨 | 2026-9 |
| 1994/1995 | 293 | 千吨 | 2026-9 |
| 1993/1994 | 260 | 千吨 | 2026-9 |
| 1992/1993 | 188 | 千吨 | 2026-9 |
| 1991/1992 | 201 | 千吨 | 2026-9 |
| 1990/1991 | 370 | 千吨 | 2026-9 |
| 1989/1990 | 400 | 千吨 | 2026-9 |
| 1988/1989 | 518 | 千吨 | 2026-9 |
| 1987/1988 | 338 | 千吨 | 2026-9 |
| 1986/1987 | 396 | 千吨 | 2026-9 |
| 1985/1986 | 370 | 千吨 | 2026-9 |
| 1984/1985 | 370 | 千吨 | 2026-9 |
| 1983/1984 | 370 | 千吨 | 2026-9 |
| 1982/1983 | 370 | 千吨 | 2026-9 |
| 1981/1982 | 370 | 千吨 | 2026-9 |
| 1980/1981 | 370 | 千吨 | 2026-9 |
| 1979/1980 | 256 | 千吨 | 2026-9 |
| 1978/1979 | 270 | 千吨 | 2026-9 |
| 1977/1978 | 270 | 千吨 | 2026-9 |
| 1976/1977 | 250 | 千吨 | 2026-9 |
| 1975/1976 | 400 | 千吨 | 2026-9 |
| 1974/1975 | 350 | 千吨 | 2026-9 |
| 1973/1974 | 370 | 千吨 | 2026-9 |
| 1972/1973 | 430 | 千吨 | 2026-9 |
| 1971/1972 | 440 | 千吨 | 2026-9 |
| 1970/1971 | 466 | 千吨 | 2026-9 |
| 1969/1970 | 331 | 千吨 | 2026-9 |
| 1968/1969 | 330 | 千吨 | 2026-9 |
| 1967/1968 | 337 | 千吨 | 2026-9 |
| 1966/1967 | 331 | 千吨 | 2026-9 |
| 1965/1966 | 321 | 千吨 | 2026-9 |
| 1964/1965 | 365 | 千吨 | 2026-9 |
| 1963/1964 | 390 | 千吨 | 2026-9 |
| 1962/1963 | 361 | 千吨 | 2026-9 |
| 1961/1962 | 365 | 千吨 | 2026-9 |
| 1960/1961 | 384 | 千吨 | 2026-9 |