| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5000 | 千吨 | 2026-9 |
| 1997/1998 | 5270 | 千吨 | 2026-9 |
| 1996/1997 | 3900 | 千吨 | 2026-9 |
| 1995/1996 | 4600 | 千吨 | 2026-9 |
| 1994/1995 | 4860 | 千吨 | 2026-9 |
| 1993/1994 | 3020 | 千吨 | 2026-9 |
| 1992/1993 | 3444 | 千吨 | 2026-9 |
| 1991/1992 | 6008 | 千吨 | 2026-9 |
| 1990/1991 | 6161 | 千吨 | 2026-9 |
| 1989/1990 | 6509 | 千吨 | 2026-9 |
| 1988/1989 | 6975 | 千吨 | 2026-9 |
| 1987/1988 | 5748 | 千吨 | 2026-9 |
| 1986/1987 | 5793 | 千吨 | 2026-9 |
| 1985/1986 | 6578 | 千吨 | 2026-9 |
| 1984/1985 | 7367 | 千吨 | 2026-9 |
| 1983/1984 | 5968 | 千吨 | 2026-9 |
| 1982/1983 | 5751 | 千吨 | 2026-9 |
| 1981/1982 | 4614 | 千吨 | 2026-9 |
| 1980/1981 | 6077 | 千吨 | 2026-9 |
| 1979/1980 | 3703 | 千吨 | 2026-9 |
| 1978/1979 | 5673 | 千吨 | 2026-9 |
| 1977/1978 | 5315 | 千吨 | 2026-9 |
| 1976/1977 | 5143 | 千吨 | 2026-9 |
| 1975/1976 | 4005 | 千吨 | 2026-9 |
| 1974/1975 | 4968 | 千吨 | 2026-9 |
| 1973/1974 | 4498 | 千吨 | 2026-9 |
| 1972/1973 | 4089 | 千吨 | 2026-9 |
| 1971/1972 | 3915 | 千吨 | 2026-9 |
| 1970/1971 | 2718 | 千吨 | 2026-9 |
| 1969/1970 | 3579 | 千吨 | 2026-9 |
| 1968/1969 | 3361 | 千吨 | 2026-9 |
| 1967/1968 | 3022 | 千吨 | 2026-9 |
| 1966/1967 | 2350 | 千吨 | 2026-9 |
| 1965/1966 | 2358 | 千吨 | 2026-9 |
| 1964/1965 | 2059 | 千吨 | 2026-9 |
| 1963/1964 | 1523 | 千吨 | 2026-9 |
| 1962/1963 | 1959 | 千吨 | 2026-9 |
| 1961/1962 | 1936 | 千吨 | 2026-9 |
| 1960/1961 | 1768 | 千吨 | 2026-9 |