| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 29862 | 千吨 | 2026-9 |
| 1997/1998 | 30005 | 千吨 | 2026-9 |
| 1996/1997 | 27260 | 千吨 | 2026-9 |
| 1995/1996 | 25705 | 千吨 | 2026-9 |
| 1994/1995 | 23880 | 千吨 | 2026-9 |
| 1993/1994 | 23783 | 千吨 | 2026-9 |
| 1992/1993 | 20735 | 千吨 | 2026-9 |
| 1991/1992 | 20880 | 千吨 | 2026-9 |
| 1990/1991 | 20266 | 千吨 | 2026-9 |
| 1989/1990 | 23312 | 千吨 | 2026-9 |
| 1988/1989 | 23083 | 千吨 | 2026-9 |
| 1987/1988 | 23126 | 千吨 | 2026-9 |
| 1986/1987 | 21486 | 千吨 | 2026-9 |
| 1985/1986 | 23229 | 千吨 | 2026-9 |
| 1984/1985 | 24675 | 千吨 | 2026-9 |
| 1983/1984 | 27981 | 千吨 | 2026-9 |
| 1982/1983 | 29663 | 千吨 | 2026-9 |
| 1981/1982 | 32053 | 千吨 | 2026-9 |
| 1980/1981 | 33934 | 千吨 | 2026-9 |
| 1979/1980 | 35096 | 千吨 | 2026-9 |
| 1978/1979 | 33506 | 千吨 | 2026-9 |
| 1977/1978 | 32157 | 千吨 | 2026-9 |
| 1976/1977 | 32998 | 千吨 | 2026-9 |
| 1975/1976 | 31140 | 千吨 | 2026-9 |
| 1974/1975 | 28607 | 千吨 | 2026-9 |
| 1973/1974 | 31604 | 千吨 | 2026-9 |
| 1972/1973 | 27273 | 千吨 | 2026-9 |
| 1971/1972 | 25788 | 千吨 | 2026-9 |
| 1970/1971 | 24010 | 千吨 | 2026-9 |
| 1969/1970 | 22951 | 千吨 | 2026-9 |
| 1968/1969 | 23184 | 千吨 | 2026-9 |
| 1967/1968 | 23812 | 千吨 | 2026-9 |
| 1966/1967 | 22088 | 千吨 | 2026-9 |
| 1965/1966 | 21554 | 千吨 | 2026-9 |
| 1964/1965 | 19004 | 千吨 | 2026-9 |
| 1963/1964 | 19970 | 千吨 | 2026-9 |
| 1962/1963 | 17183 | 千吨 | 2026-9 |
| 1961/1962 | 15974 | 千吨 | 2026-9 |
| 1960/1961 | 14396 | 千吨 | 2026-9 |