| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 3967 | 千吨 | 2026-9 |
| 1997/1998 | 3790 | 千吨 | 2026-9 |
| 1996/1997 | 3746 | 千吨 | 2026-9 |
| 1995/1996 | 3734 | 千吨 | 2026-9 |
| 1994/1995 | 3490 | 千吨 | 2026-9 |
| 1993/1994 | 3242 | 千吨 | 2026-9 |
| 1992/1993 | 3341 | 千吨 | 2026-9 |
| 1991/1992 | 4249 | 千吨 | 2026-9 |
| 1990/1991 | 4040 | 千吨 | 2026-9 |
| 1989/1990 | 4062 | 千吨 | 2026-9 |
| 1988/1989 | 4347 | 千吨 | 2026-9 |
| 1987/1988 | 4611 | 千吨 | 2026-9 |
| 1986/1987 | 4617 | 千吨 | 2026-9 |
| 1985/1986 | 4241 | 千吨 | 2026-9 |
| 1984/1985 | 3794 | 千吨 | 2026-9 |
| 1983/1984 | 3538 | 千吨 | 2026-9 |
| 1982/1983 | 4004 | 千吨 | 2026-9 |
| 1981/1982 | 4052 | 千吨 | 2026-9 |
| 1980/1981 | 4566 | 千吨 | 2026-9 |
| 1979/1980 | 5369 | 千吨 | 2026-9 |
| 1978/1979 | 5300 | 千吨 | 2026-9 |
| 1977/1978 | 5070 | 千吨 | 2026-9 |
| 1976/1977 | 4800 | 千吨 | 2026-9 |
| 1975/1976 | 4939 | 千吨 | 2026-9 |
| 1974/1975 | 4924 | 千吨 | 2026-9 |
| 1973/1974 | 3958 | 千吨 | 2026-9 |
| 1972/1973 | 3403 | 千吨 | 2026-9 |
| 1971/1972 | 3999 | 千吨 | 2026-9 |
| 1970/1971 | 3048 | 千吨 | 2026-9 |
| 1969/1970 | 2333 | 千吨 | 2026-9 |
| 1968/1969 | 2070 | 千吨 | 2026-9 |
| 1967/1968 | 1675 | 千吨 | 2026-9 |
| 1966/1967 | 1579 | 千吨 | 2026-9 |
| 1965/1966 | 2041 | 千吨 | 2026-9 |
| 1964/1965 | 1484 | 千吨 | 2026-9 |
| 1963/1964 | 1639 | 千吨 | 2026-9 |
| 1962/1963 | 1511 | 千吨 | 2026-9 |
| 1961/1962 | 1593 | 千吨 | 2026-9 |
| 1960/1961 | 1488 | 千吨 | 2026-9 |