| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 284 | 千吨 | 2026-9 |
| 1997/1998 | 247 | 千吨 | 2026-9 |
| 1996/1997 | 163 | 千吨 | 2026-9 |
| 1995/1996 | 976 | 千吨 | 2026-9 |
| 1994/1995 | 585 | 千吨 | 2026-9 |
| 1993/1994 | 253 | 千吨 | 2026-9 |
| 1992/1993 | 396 | 千吨 | 2026-9 |
| 1991/1992 | 209 | 千吨 | 2026-9 |
| 1990/1991 | 253 | 千吨 | 2026-9 |
| 1989/1990 | 403 | 千吨 | 2026-9 |
| 1988/1989 | 730 | 千吨 | 2026-9 |
| 1987/1988 | 515 | 千吨 | 2026-9 |
| 1986/1987 | 235 | 千吨 | 2026-9 |
| 1985/1986 | 138 | 千吨 | 2026-9 |
| 1984/1985 | 430 | 千吨 | 2026-9 |
| 1983/1984 | 1102 | 千吨 | 2026-9 |
| 1982/1983 | 525 | 千吨 | 2026-9 |
| 1981/1982 | 1834 | 千吨 | 2026-9 |
| 1980/1981 | 674 | 千吨 | 2026-9 |
| 1979/1980 | 1313 | 千吨 | 2026-9 |
| 1978/1979 | 755 | 千吨 | 2026-9 |
| 1977/1978 | 1378 | 千吨 | 2026-9 |
| 1976/1977 | 2259 | 千吨 | 2026-9 |
| 1975/1976 | 2372 | 千吨 | 2026-9 |
| 1974/1975 | 1618 | 千吨 | 2026-9 |
| 1973/1974 | 1743 | 千吨 | 2026-9 |
| 1972/1973 | 686 | 千吨 | 2026-9 |
| 1971/1972 | 1228 | 千吨 | 2026-9 |
| 1970/1971 | 1969 | 千吨 | 2026-9 |
| 1969/1970 | 868 | 千吨 | 2026-9 |
| 1968/1969 | 1063 | 千吨 | 2026-9 |
| 1967/1968 | 1674 | 千吨 | 2026-9 |
| 1966/1967 | 2919 | 千吨 | 2026-9 |
| 1965/1966 | 2659 | 千吨 | 2026-9 |
| 1964/1965 | 2195 | 千吨 | 2026-9 |
| 1963/1964 | 2024 | 千吨 | 2026-9 |
| 1962/1963 | 1977 | 千吨 | 2026-9 |
| 1961/1962 | 1705 | 千吨 | 2026-9 |
| 1960/1961 | 1623 | 千吨 | 2026-9 |