| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 3984 | 千吨 | 2026-9 |
| 1997/1998 | 3231 | 千吨 | 2026-9 |
| 1996/1997 | 4570 | 千吨 | 2026-9 |
| 1995/1996 | 5084 | 千吨 | 2026-9 |
| 1994/1995 | 4636 | 千吨 | 2026-9 |
| 1993/1994 | 3947 | 千吨 | 2026-9 |
| 1992/1993 | 3344 | 千吨 | 2026-9 |
| 1991/1992 | 3548 | 千吨 | 2026-9 |
| 1990/1991 | 4099 | 千吨 | 2026-9 |
| 1989/1990 | 5233 | 千吨 | 2026-9 |
| 1988/1989 | 5023 | 千吨 | 2026-9 |
| 1987/1988 | 5832 | 千吨 | 2026-9 |
| 1986/1987 | 5629 | 千吨 | 2026-9 |
| 1985/1986 | 5847 | 千吨 | 2026-9 |
| 1984/1985 | 5872 | 千吨 | 2026-9 |
| 1983/1984 | 5471 | 千吨 | 2026-9 |
| 1982/1983 | 5562 | 千吨 | 2026-9 |
| 1981/1982 | 5326 | 千吨 | 2026-9 |
| 1980/1981 | 5665 | 千吨 | 2026-9 |
| 1979/1980 | 5556 | 千吨 | 2026-9 |
| 1978/1979 | 5947 | 千吨 | 2026-9 |
| 1977/1978 | 5807 | 千吨 | 2026-9 |
| 1976/1977 | 5546 | 千吨 | 2026-9 |
| 1975/1976 | 5537 | 千吨 | 2026-9 |
| 1974/1975 | 6240 | 千吨 | 2026-9 |
| 1973/1974 | 6365 | 千吨 | 2026-9 |
| 1972/1973 | 6809 | 千吨 | 2026-9 |
| 1971/1972 | 6723 | 千吨 | 2026-9 |
| 1970/1971 | 6352 | 千吨 | 2026-9 |
| 1969/1970 | 6374 | 千吨 | 2026-9 |
| 1968/1969 | 7197 | 千吨 | 2026-9 |
| 1967/1968 | 7295 | 千吨 | 2026-9 |
| 1966/1967 | 6941 | 千吨 | 2026-9 |
| 1965/1966 | 7680 | 千吨 | 2026-9 |
| 1964/1965 | 8075 | 千吨 | 2026-9 |
| 1963/1964 | 7936 | 千吨 | 2026-9 |
| 1962/1963 | 8590 | 千吨 | 2026-9 |
| 1961/1962 | 8146 | 千吨 | 2026-9 |
| 1960/1961 | 9463 | 千吨 | 2026-9 |