| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5292 | 千吨 | 2026-9 |
| 1997/1998 | 3866 | 千吨 | 2026-9 |
| 1996/1997 | 1563 | 千吨 | 2026-9 |
| 1995/1996 | 1497 | 千吨 | 2026-9 |
| 1994/1995 | 2214 | 千吨 | 2026-9 |
| 1993/1994 | 3245 | 千吨 | 2026-9 |
| 1992/1993 | 3210 | 千吨 | 2026-9 |
| 1991/1992 | 4659 | 千吨 | 2026-9 |
| 1990/1991 | 3998 | 千吨 | 2026-9 |
| 1989/1990 | 2227 | 千吨 | 2026-9 |
| 1988/1989 | 1659 | 千吨 | 2026-9 |
| 1987/1988 | 1614 | 千吨 | 2026-9 |
| 1986/1987 | 1989 | 千吨 | 2026-9 |
| 1985/1986 | 2035 | 千吨 | 2026-9 |
| 1984/1985 | 1639 | 千吨 | 2026-9 |
| 1983/1984 | 812 | 千吨 | 2026-9 |
| 1982/1983 | 839 | 千吨 | 2026-9 |
| 1981/1982 | 1064 | 千吨 | 2026-9 |
| 1980/1981 | 1163 | 千吨 | 2026-9 |
| 1979/1980 | 1144 | 千吨 | 2026-9 |
| 1978/1979 | 1413 | 千吨 | 2026-9 |
| 1977/1978 | 1186 | 千吨 | 2026-9 |
| 1976/1977 | 1115 | 千吨 | 2026-9 |
| 1975/1976 | 992 | 千吨 | 2026-9 |
| 1974/1975 | 1177 | 千吨 | 2026-9 |
| 1973/1974 | 905 | 千吨 | 2026-9 |
| 1972/1973 | 1099 | 千吨 | 2026-9 |
| 1971/1972 | 1525 | 千吨 | 2026-9 |
| 1970/1971 | 1372 | 千吨 | 2026-9 |
| 1969/1970 | 1852 | 千吨 | 2026-9 |
| 1968/1969 | 1685 | 千吨 | 2026-9 |
| 1967/1968 | 1533 | 千吨 | 2026-9 |
| 1966/1967 | 1288 | 千吨 | 2026-9 |
| 1965/1966 | 1500 | 千吨 | 2026-9 |
| 1964/1965 | 1805 | 千吨 | 2026-9 |
| 1963/1964 | 1475 | 千吨 | 2026-9 |
| 1962/1963 | 1455 | 千吨 | 2026-9 |
| 1961/1962 | 1214 | 千吨 | 2026-9 |
| 1960/1961 | 1912 | 千吨 | 2026-9 |