| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 225 | 千吨 | 2026-9 |
| 1997/1998 | 176 | 千吨 | 2026-9 |
| 1996/1997 | 208 | 千吨 | 2026-9 |
| 1995/1996 | 203 | 千吨 | 2026-9 |
| 1994/1995 | 228 | 千吨 | 2026-9 |
| 1993/1994 | 237 | 千吨 | 2026-9 |
| 1992/1993 | 271 | 千吨 | 2026-9 |
| 1991/1992 | 364 | 千吨 | 2026-9 |
| 1990/1991 | 396 | 千吨 | 2026-9 |
| 1989/1990 | 806 | 千吨 | 2026-9 |
| 1988/1989 | 450 | 千吨 | 2026-9 |
| 1987/1988 | 775 | 千吨 | 2026-9 |
| 1986/1987 | 934 | 千吨 | 2026-9 |
| 1985/1986 | 762 | 千吨 | 2026-9 |
| 1984/1985 | 607 | 千吨 | 2026-9 |
| 1983/1984 | 659 | 千吨 | 2026-9 |
| 1982/1983 | 621 | 千吨 | 2026-9 |
| 1981/1982 | 496 | 千吨 | 2026-9 |
| 1980/1981 | 529 | 千吨 | 2026-9 |
| 1979/1980 | 691 | 千吨 | 2026-9 |
| 1978/1979 | 458 | 千吨 | 2026-9 |
| 1977/1978 | 445 | 千吨 | 2026-9 |
| 1976/1977 | 320 | 千吨 | 2026-9 |
| 1975/1976 | 433 | 千吨 | 2026-9 |
| 1974/1975 | 313 | 千吨 | 2026-9 |
| 1973/1974 | 244 | 千吨 | 2026-9 |
| 1972/1973 | 205 | 千吨 | 2026-9 |
| 1971/1972 | 165 | 千吨 | 2026-9 |
| 1970/1971 | 91 | 千吨 | 2026-9 |
| 1969/1970 | 51 | 千吨 | 2026-9 |
| 1968/1969 | 47 | 千吨 | 2026-9 |
| 1967/1968 | 41 | 千吨 | 2026-9 |
| 1966/1967 | 20 | 千吨 | 2026-9 |
| 1965/1966 | 4 | 千吨 | 2026-9 |
| 1964/1965 | 2 | 千吨 | 2026-9 |