| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5664 | 千吨 | 2026-9 |
| 1997/1998 | 5300 | 千吨 | 2026-9 |
| 1996/1997 | 5652 | 千吨 | 2026-9 |
| 1995/1996 | 6287 | 千吨 | 2026-9 |
| 1994/1995 | 5300 | 千吨 | 2026-9 |
| 1993/1994 | 5000 | 千吨 | 2026-9 |
| 1992/1993 | 3981 | 千吨 | 2026-9 |
| 1991/1992 | 5899 | 千吨 | 2026-9 |
| 1990/1991 | 6044 | 千吨 | 2026-9 |
| 1989/1990 | 6216 | 千吨 | 2026-9 |
| 1988/1989 | 5501 | 千吨 | 2026-9 |
| 1987/1988 | 6817 | 千吨 | 2026-9 |
| 1986/1987 | 7074 | 千吨 | 2026-9 |
| 1985/1986 | 7600 | 千吨 | 2026-9 |
| 1984/1985 | 9540 | 千吨 | 2026-9 |
| 1983/1984 | 8781 | 千吨 | 2026-9 |
| 1982/1983 | 7792 | 千吨 | 2026-9 |
| 1981/1982 | 6731 | 千吨 | 2026-9 |
| 1980/1981 | 6566 | 千吨 | 2026-9 |
| 1979/1980 | 5201 | 千吨 | 2026-9 |
| 1978/1979 | 7434 | 千吨 | 2026-9 |
| 1977/1978 | 6250 | 千吨 | 2026-9 |
| 1976/1977 | 6922 | 千吨 | 2026-9 |
| 1975/1976 | 6270 | 千吨 | 2026-9 |
| 1974/1975 | 7881 | 千吨 | 2026-9 |
| 1973/1974 | 8268 | 千吨 | 2026-9 |
| 1972/1973 | 8149 | 千吨 | 2026-9 |
| 1971/1972 | 7827 | 千吨 | 2026-9 |
| 1970/1971 | 5433 | 千吨 | 2026-9 |
| 1969/1970 | 8166 | 千吨 | 2026-9 |
| 1968/1969 | 8438 | 千吨 | 2026-9 |
| 1967/1968 | 7645 | 千吨 | 2026-9 |
| 1966/1967 | 7661 | 千吨 | 2026-9 |
| 1965/1966 | 8202 | 千吨 | 2026-9 |
| 1964/1965 | 6964 | 千吨 | 2026-9 |
| 1963/1964 | 7124 | 千吨 | 2026-9 |
| 1962/1963 | 6685 | 千吨 | 2026-9 |
| 1961/1962 | 8356 | 千吨 | 2026-9 |
| 1960/1961 | 7878 | 千吨 | 2026-9 |