| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 2447 | 千吨 | 2026-9 |
| 1997/1998 | 1540 | 千吨 | 2026-9 |
| 1996/1997 | 1020 | 千吨 | 2026-9 |
| 1995/1996 | 2239 | 千吨 | 2026-9 |
| 1994/1995 | 1791 | 千吨 | 2026-9 |
| 1993/1994 | 602 | 千吨 | 2026-9 |
| 1992/1993 | 425 | 千吨 | 2026-9 |
| 1991/1992 | 1141 | 千吨 | 2026-9 |
| 1990/1991 | 613 | 千吨 | 2026-9 |
| 1989/1990 | 1653 | 千吨 | 2026-9 |
| 1988/1989 | 2065 | 千吨 | 2026-9 |
| 1987/1988 | 795 | 千吨 | 2026-9 |
| 1986/1987 | 1243 | 千吨 | 2026-9 |
| 1985/1986 | 1800 | 千吨 | 2026-9 |
| 1984/1985 | 2300 | 千吨 | 2026-9 |
| 1983/1984 | 1300 | 千吨 | 2026-9 |
| 1982/1983 | 1000 | 千吨 | 2026-9 |
| 1981/1982 | 900 | 千吨 | 2026-9 |
| 1980/1981 | 1200 | 千吨 | 2026-9 |
| 1979/1980 | 400 | 千吨 | 2026-9 |
| 1978/1979 | 750 | 千吨 | 2026-9 |
| 1977/1978 | 600 | 千吨 | 2026-9 |
| 1976/1977 | 700 | 千吨 | 2026-9 |
| 1975/1976 | 400 | 千吨 | 2026-9 |
| 1974/1975 | 1000 | 千吨 | 2026-9 |
| 1973/1974 | 1115 | 千吨 | 2026-9 |
| 1972/1973 | 650 | 千吨 | 2026-9 |
| 1971/1972 | 103 | 千吨 | 2026-9 |
| 1970/1971 | 368 | 千吨 | 2026-9 |
| 1969/1970 | 365 | 千吨 | 2026-9 |
| 1968/1969 | 162 | 千吨 | 2026-9 |
| 1967/1968 | 185 | 千吨 | 2026-9 |
| 1966/1967 | 80 | 千吨 | 2026-9 |
| 1965/1966 | 113 | 千吨 | 2026-9 |
| 1964/1965 | 46 | 千吨 | 2026-9 |
| 1963/1964 | 41 | 千吨 | 2026-9 |
| 1962/1963 | 48 | 千吨 | 2026-9 |
| 1961/1962 | 121 | 千吨 | 2026-9 |
| 1960/1961 | 77 | 千吨 | 2026-9 |