| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 9826 | 千吨 | 2026-9 |
| 1997/1998 | 9503 | 千吨 | 2026-9 |
| 1996/1997 | 9282 | 千吨 | 2026-9 |
| 1995/1996 | 8872 | 千吨 | 2026-9 |
| 1994/1995 | 8538 | 千吨 | 2026-9 |
| 1993/1994 | 8081 | 千吨 | 2026-9 |
| 1992/1993 | 8294 | 千吨 | 2026-9 |
| 1991/1992 | 9104 | 千吨 | 2026-9 |
| 1990/1991 | 9205 | 千吨 | 2026-9 |
| 1989/1990 | 9267 | 千吨 | 2026-9 |
| 1988/1989 | 9241 | 千吨 | 2026-9 |
| 1987/1988 | 9927 | 千吨 | 2026-9 |
| 1986/1987 | 9128 | 千吨 | 2026-9 |
| 1985/1986 | 8465 | 千吨 | 2026-9 |
| 1984/1985 | 7502 | 千吨 | 2026-9 |
| 1983/1984 | 7568 | 千吨 | 2026-9 |
| 1982/1983 | 7786 | 千吨 | 2026-9 |
| 1981/1982 | 7792 | 千吨 | 2026-9 |
| 1980/1981 | 8067 | 千吨 | 2026-9 |
| 1979/1980 | 7305 | 千吨 | 2026-9 |
| 1978/1979 | 8400 | 千吨 | 2026-9 |
| 1977/1978 | 7990 | 千吨 | 2026-9 |
| 1976/1977 | 7900 | 千吨 | 2026-9 |
| 1975/1976 | 7729 | 千吨 | 2026-9 |
| 1974/1975 | 7619 | 千吨 | 2026-9 |
| 1973/1974 | 7282 | 千吨 | 2026-9 |
| 1972/1973 | 6719 | 千吨 | 2026-9 |
| 1971/1972 | 7830 | 千吨 | 2026-9 |
| 1970/1971 | 6559 | 千吨 | 2026-9 |
| 1969/1970 | 5509 | 千吨 | 2026-9 |
| 1968/1969 | 5377 | 千吨 | 2026-9 |
| 1967/1968 | 5504 | 千吨 | 2026-9 |
| 1966/1967 | 4780 | 千吨 | 2026-9 |
| 1965/1966 | 5106 | 千吨 | 2026-9 |
| 1964/1965 | 5184 | 千吨 | 2026-9 |
| 1963/1964 | 5360 | 千吨 | 2026-9 |
| 1962/1963 | 4776 | 千吨 | 2026-9 |
| 1961/1962 | 4268 | 千吨 | 2026-9 |
| 1960/1961 | 4175 | 千吨 | 2026-9 |