| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 348 | 千吨 | 2026-9 |
| 1997/1998 | 346 | 千吨 | 2026-9 |
| 1996/1997 | 372 | 千吨 | 2026-9 |
| 1995/1996 | 318 | 千吨 | 2026-9 |
| 1994/1995 | 48 | 千吨 | 2026-9 |
| 1993/1994 | 230 | 千吨 | 2026-9 |
| 1992/1993 | 255 | 千吨 | 2026-9 |
| 1991/1992 | 543 | 千吨 | 2026-9 |
| 1990/1991 | 512 | 千吨 | 2026-9 |
| 1989/1990 | 319 | 千吨 | 2026-9 |
| 1988/1989 | 244 | 千吨 | 2026-9 |
| 1987/1988 | 394 | 千吨 | 2026-9 |
| 1986/1987 | 625 | 千吨 | 2026-9 |
| 1985/1986 | 460 | 千吨 | 2026-9 |
| 1984/1985 | 396 | 千吨 | 2026-9 |
| 1983/1984 | 573 | 千吨 | 2026-9 |
| 1982/1983 | 552 | 千吨 | 2026-9 |
| 1981/1982 | 648 | 千吨 | 2026-9 |
| 1980/1981 | 19 | 千吨 | 2026-9 |
| 1979/1980 | 289 | 千吨 | 2026-9 |
| 1978/1979 | 730 | 千吨 | 2026-9 |
| 1977/1978 | 672 | 千吨 | 2026-9 |
| 1976/1977 | 300 | 千吨 | 2026-9 |
| 1975/1976 | 400 | 千吨 | 2026-9 |
| 1974/1975 | 500 | 千吨 | 2026-9 |
| 1973/1974 | 500 | 千吨 | 2026-9 |
| 1972/1973 | 311 | 千吨 | 2026-9 |
| 1971/1972 | 518 | 千吨 | 2026-9 |
| 1970/1971 | 585 | 千吨 | 2026-9 |
| 1969/1970 | 750 | 千吨 | 2026-9 |
| 1968/1969 | 402 | 千吨 | 2026-9 |
| 1967/1968 | 508 | 千吨 | 2026-9 |
| 1966/1967 | 420 | 千吨 | 2026-9 |
| 1965/1966 | 230 | 千吨 | 2026-9 |
| 1964/1965 | 261 | 千吨 | 2026-9 |
| 1963/1964 | 192 | 千吨 | 2026-9 |
| 1962/1963 | 259 | 千吨 | 2026-9 |
| 1961/1962 | 332 | 千吨 | 2026-9 |
| 1960/1961 | 407 | 千吨 | 2026-9 |