| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 2694 | 千吨 | 2026-9 |
| 1997/1998 | 2701 | 千吨 | 2026-9 |
| 1996/1997 | 2598 | 千吨 | 2026-9 |
| 1995/1996 | 2106 | 千吨 | 2026-9 |
| 1994/1995 | 2155 | 千吨 | 2026-9 |
| 1993/1994 | 2018 | 千吨 | 2026-9 |
| 1992/1993 | 2195 | 千吨 | 2026-9 |
| 1991/1992 | 2274 | 千吨 | 2026-9 |
| 1990/1991 | 2394 | 千吨 | 2026-9 |
| 1989/1990 | 2068 | 千吨 | 2026-9 |
| 1988/1989 | 1952 | 千吨 | 2026-9 |
| 1987/1988 | 1916 | 千吨 | 2026-9 |
| 1986/1987 | 1925 | 千吨 | 2026-9 |
| 1985/1986 | 1968 | 千吨 | 2026-9 |
| 1984/1985 | 1708 | 千吨 | 2026-9 |
| 1983/1984 | 1480 | 千吨 | 2026-9 |
| 1982/1983 | 1607 | 千吨 | 2026-9 |
| 1981/1982 | 1612 | 千吨 | 2026-9 |
| 1980/1981 | 1668 | 千吨 | 2026-9 |
| 1979/1980 | 1827 | 千吨 | 2026-9 |
| 1978/1979 | 1624 | 千吨 | 2026-9 |
| 1977/1978 | 1313 | 千吨 | 2026-9 |
| 1976/1977 | 1522 | 千吨 | 2026-9 |
| 1975/1976 | 1659 | 千吨 | 2026-9 |
| 1974/1975 | 1690 | 千吨 | 2026-9 |
| 1973/1974 | 1750 | 千吨 | 2026-9 |
| 1972/1973 | 1391 | 千吨 | 2026-9 |
| 1971/1972 | 1565 | 千吨 | 2026-9 |
| 1970/1971 | 1562 | 千吨 | 2026-9 |
| 1969/1970 | 1644 | 千吨 | 2026-9 |
| 1968/1969 | 1335 | 千吨 | 2026-9 |
| 1967/1968 | 1467 | 千吨 | 2026-9 |
| 1966/1967 | 1330 | 千吨 | 2026-9 |
| 1965/1966 | 1200 | 千吨 | 2026-9 |
| 1964/1965 | 1432 | 千吨 | 2026-9 |
| 1963/1964 | 1323 | 千吨 | 2026-9 |
| 1962/1963 | 1427 | 千吨 | 2026-9 |
| 1961/1962 | 1486 | 千吨 | 2026-9 |
| 1960/1961 | 1291 | 千吨 | 2026-9 |