| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 7000 | 千吨 | 2026-9 |
| 1997/1998 | 7400 | 千吨 | 2026-9 |
| 1996/1997 | 6401 | 千吨 | 2026-9 |
| 1995/1996 | 4821 | 千吨 | 2026-9 |
| 1994/1995 | 4570 | 千吨 | 2026-9 |
| 1993/1994 | 4320 | 千吨 | 2026-9 |
| 1992/1993 | 5401 | 千吨 | 2026-9 |
| 1991/1992 | 9010 | 千吨 | 2026-9 |
| 1990/1991 | 6632 | 千吨 | 2026-9 |
| 1989/1990 | 7930 | 千吨 | 2026-9 |
| 1988/1989 | 7823 | 千吨 | 2026-9 |
| 1987/1988 | 8802 | 千吨 | 2026-9 |
| 1986/1987 | 8506 | 千吨 | 2026-9 |
| 1985/1986 | 7650 | 千吨 | 2026-9 |
| 1984/1985 | 7015 | 千吨 | 2026-9 |
| 1983/1984 | 6749 | 千吨 | 2026-9 |
| 1982/1983 | 7752 | 千吨 | 2026-9 |
| 1981/1982 | 7007 | 千吨 | 2026-9 |
| 1980/1981 | 6673 | 千吨 | 2026-9 |
| 1979/1980 | 7426 | 千吨 | 2026-9 |
| 1978/1979 | 6655 | 千吨 | 2026-9 |
| 1977/1978 | 6291 | 千吨 | 2026-9 |
| 1976/1977 | 5389 | 千吨 | 2026-9 |
| 1975/1976 | 7100 | 千吨 | 2026-9 |
| 1974/1975 | 6197 | 千吨 | 2026-9 |
| 1973/1974 | 5969 | 千吨 | 2026-9 |
| 1972/1973 | 5556 | 千吨 | 2026-9 |
| 1971/1972 | 4840 | 千吨 | 2026-9 |
| 1970/1971 | 4175 | 千吨 | 2026-9 |
| 1969/1970 | 4755 | 千吨 | 2026-9 |
| 1968/1969 | 3766 | 千吨 | 2026-9 |
| 1967/1968 | 3597 | 千吨 | 2026-9 |
| 1966/1967 | 3907 | 千吨 | 2026-9 |
| 1965/1966 | 3620 | 千吨 | 2026-9 |
| 1964/1965 | 3580 | 千吨 | 2026-9 |
| 1963/1964 | 3691 | 千吨 | 2026-9 |
| 1962/1963 | 3402 | 千吨 | 2026-9 |
| 1961/1962 | 3144 | 千吨 | 2026-9 |
| 1960/1961 | 3624 | 千吨 | 2026-9 |