| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 747 | 千吨 | 2026-9 |
| 1997/1998 | 800 | 千吨 | 2026-9 |
| 1996/1997 | 512 | 千吨 | 2026-9 |
| 1995/1996 | 1115 | 千吨 | 2026-9 |
| 1994/1995 | 1069 | 千吨 | 2026-9 |
| 1993/1994 | 950 | 千吨 | 2026-9 |
| 1992/1993 | 1021 | 千吨 | 2026-9 |
| 1991/1992 | 1495 | 千吨 | 2026-9 |
| 1990/1991 | 1379 | 千吨 | 2026-9 |
| 1989/1990 | 1568 | 千吨 | 2026-9 |
| 1988/1989 | 1513 | 千吨 | 2026-9 |
| 1987/1988 | 1287 | 千吨 | 2026-9 |
| 1986/1987 | 1244 | 千吨 | 2026-9 |
| 1985/1986 | 1800 | 千吨 | 2026-9 |
| 1984/1985 | 1779 | 千吨 | 2026-9 |
| 1983/1984 | 1097 | 千吨 | 2026-9 |
| 1982/1983 | 1461 | 千吨 | 2026-9 |
| 1981/1982 | 1506 | 千吨 | 2026-9 |
| 1980/1981 | 1475 | 千吨 | 2026-9 |
| 1979/1980 | 1537 | 千吨 | 2026-9 |
| 1978/1979 | 1787 | 千吨 | 2026-9 |
| 1977/1978 | 1543 | 千吨 | 2026-9 |
| 1976/1977 | 1782 | 千吨 | 2026-9 |
| 1975/1976 | 1656 | 千吨 | 2026-9 |
| 1974/1975 | 1915 | 千吨 | 2026-9 |
| 1973/1974 | 1570 | 千吨 | 2026-9 |
| 1972/1973 | 1460 | 千吨 | 2026-9 |
| 1971/1972 | 1213 | 千吨 | 2026-9 |
| 1970/1971 | 1176 | 千吨 | 2026-9 |
| 1969/1970 | 1011 | 千吨 | 2026-9 |
| 1968/1969 | 829 | 千吨 | 2026-9 |
| 1967/1968 | 1039 | 千吨 | 2026-9 |
| 1966/1967 | 1061 | 千吨 | 2026-9 |
| 1965/1966 | 875 | 千吨 | 2026-9 |
| 1964/1965 | 896 | 千吨 | 2026-9 |
| 1963/1964 | 781 | 千吨 | 2026-9 |
| 1962/1963 | 694 | 千吨 | 2026-9 |
| 1961/1962 | 652 | 千吨 | 2026-9 |
| 1960/1961 | 687 | 千吨 | 2026-9 |