| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1301 | 千吨 | 2026-9 |
| 1997/1998 | 1333 | 千吨 | 2026-9 |
| 1996/1997 | 1289 | 千吨 | 2026-9 |
| 1995/1996 | 1176 | 千吨 | 2026-9 |
| 1994/1995 | 1212 | 千吨 | 2026-9 |
| 1993/1994 | 1147 | 千吨 | 2026-9 |
| 1992/1993 | 975 | 千吨 | 2026-9 |
| 1991/1992 | 1000 | 千吨 | 2026-9 |
| 1990/1991 | 1393 | 千吨 | 2026-9 |
| 1989/1990 | 1113 | 千吨 | 2026-9 |
| 1988/1989 | 1116 | 千吨 | 2026-9 |
| 1987/1988 | 984 | 千吨 | 2026-9 |
| 1986/1987 | 920 | 千吨 | 2026-9 |
| 1985/1986 | 1181 | 千吨 | 2026-9 |
| 1984/1985 | 1186 | 千吨 | 2026-9 |
| 1983/1984 | 1138 | 千吨 | 2026-9 |
| 1982/1983 | 1188 | 千吨 | 2026-9 |
| 1981/1982 | 1371 | 千吨 | 2026-9 |
| 1980/1981 | 1378 | 千吨 | 2026-9 |
| 1979/1980 | 1343 | 千吨 | 2026-9 |
| 1978/1979 | 1385 | 千吨 | 2026-9 |
| 1977/1978 | 1319 | 千吨 | 2026-9 |
| 1976/1977 | 1515 | 千吨 | 2026-9 |
| 1975/1976 | 1651 | 千吨 | 2026-9 |
| 1974/1975 | 1469 | 千吨 | 2026-9 |
| 1973/1974 | 1473 | 千吨 | 2026-9 |
| 1972/1973 | 1701 | 千吨 | 2026-9 |
| 1971/1972 | 1515 | 千吨 | 2026-9 |
| 1970/1971 | 1384 | 千吨 | 2026-9 |
| 1969/1970 | 1513 | 千吨 | 2026-9 |
| 1968/1969 | 1803 | 千吨 | 2026-9 |
| 1967/1968 | 1718 | 千吨 | 2026-9 |
| 1966/1967 | 1489 | 千吨 | 2026-9 |
| 1965/1966 | 1519 | 千吨 | 2026-9 |
| 1964/1965 | 1469 | 千吨 | 2026-9 |
| 1963/1964 | 2585 | 千吨 | 2026-9 |
| 1962/1963 | 1703 | 千吨 | 2026-9 |
| 1961/1962 | 1830 | 千吨 | 2026-9 |
| 1960/1961 | 1624 | 千吨 | 2026-9 |