| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 6209 | 千吨 | 2026-9 |
| 1997/1998 | 5830 | 千吨 | 2026-9 |
| 1996/1997 | 6397 | 千吨 | 2026-9 |
| 1995/1996 | 6509 | 千吨 | 2026-9 |
| 1994/1995 | 5975 | 千吨 | 2026-9 |
| 1993/1994 | 5145 | 千吨 | 2026-9 |
| 1992/1993 | 4734 | 千吨 | 2026-9 |
| 1991/1992 | 6083 | 千吨 | 2026-9 |
| 1990/1991 | 6308 | 千吨 | 2026-9 |
| 1989/1990 | 6453 | 千吨 | 2026-9 |
| 1988/1989 | 5803 | 千吨 | 2026-9 |
| 1987/1988 | 7196 | 千吨 | 2026-9 |
| 1986/1987 | 7387 | 千吨 | 2026-9 |
| 1985/1986 | 8269 | 千吨 | 2026-9 |
| 1984/1985 | 10504 | 千吨 | 2026-9 |
| 1983/1984 | 9336 | 千吨 | 2026-9 |
| 1982/1983 | 7808 | 千吨 | 2026-9 |
| 1981/1982 | 7153 | 千吨 | 2026-9 |
| 1980/1981 | 7146 | 千吨 | 2026-9 |
| 1979/1980 | 6063 | 千吨 | 2026-9 |
| 1978/1979 | 7887 | 千吨 | 2026-9 |
| 1977/1978 | 7035 | 千吨 | 2026-9 |
| 1976/1977 | 7160 | 千吨 | 2026-9 |
| 1975/1976 | 6653 | 千吨 | 2026-9 |
| 1974/1975 | 8235 | 千吨 | 2026-9 |
| 1973/1974 | 8507 | 千吨 | 2026-9 |
| 1972/1973 | 8303 | 千吨 | 2026-9 |
| 1971/1972 | 8107 | 千吨 | 2026-9 |
| 1970/1971 | 5993 | 千吨 | 2026-9 |
| 1969/1970 | 9035 | 千吨 | 2026-9 |
| 1968/1969 | 9101 | 千吨 | 2026-9 |
| 1967/1968 | 8548 | 千吨 | 2026-9 |
| 1966/1967 | 8931 | 千吨 | 2026-9 |
| 1965/1966 | 8802 | 千吨 | 2026-9 |
| 1964/1965 | 7764 | 千吨 | 2026-9 |
| 1963/1964 | 8385 | 千吨 | 2026-9 |
| 1962/1963 | 7937 | 千吨 | 2026-9 |
| 1961/1962 | 9577 | 千吨 | 2026-9 |
| 1960/1961 | 9066 | 千吨 | 2026-9 |