| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1749 | 千吨 | 2026-9 |
| 1997/1998 | 1799 | 千吨 | 2026-9 |
| 1996/1997 | 1708 | 千吨 | 2026-9 |
| 1995/1996 | 1305 | 千吨 | 2026-9 |
| 1994/1995 | 1376 | 千吨 | 2026-9 |
| 1993/1994 | 1310 | 千吨 | 2026-9 |
| 1992/1993 | 1408 | 千吨 | 2026-9 |
| 1991/1992 | 1487 | 千吨 | 2026-9 |
| 1990/1991 | 1606 | 千吨 | 2026-9 |
| 1989/1990 | 1386 | 千吨 | 2026-9 |
| 1988/1989 | 1314 | 千吨 | 2026-9 |
| 1987/1988 | 1289 | 千吨 | 2026-9 |
| 1986/1987 | 1285 | 千吨 | 2026-9 |
| 1985/1986 | 1323 | 千吨 | 2026-9 |
| 1984/1985 | 1131 | 千吨 | 2026-9 |
| 1983/1984 | 951 | 千吨 | 2026-9 |
| 1982/1983 | 1063 | 千吨 | 2026-9 |
| 1981/1982 | 1069 | 千吨 | 2026-9 |
| 1980/1981 | 1152 | 千吨 | 2026-9 |
| 1979/1980 | 1259 | 千吨 | 2026-9 |
| 1978/1979 | 1119 | 千吨 | 2026-9 |
| 1977/1978 | 902 | 千吨 | 2026-9 |
| 1976/1977 | 1050 | 千吨 | 2026-9 |
| 1975/1976 | 1143 | 千吨 | 2026-9 |
| 1974/1975 | 1165 | 千吨 | 2026-9 |
| 1973/1974 | 1205 | 千吨 | 2026-9 |
| 1972/1973 | 956 | 千吨 | 2026-9 |
| 1971/1972 | 1076 | 千吨 | 2026-9 |
| 1970/1971 | 1073 | 千吨 | 2026-9 |
| 1969/1970 | 1107 | 千吨 | 2026-9 |
| 1968/1969 | 896 | 千吨 | 2026-9 |
| 1967/1968 | 990 | 千吨 | 2026-9 |
| 1966/1967 | 893 | 千吨 | 2026-9 |
| 1965/1966 | 803 | 千吨 | 2026-9 |
| 1964/1965 | 960 | 千吨 | 2026-9 |
| 1963/1964 | 887 | 千吨 | 2026-9 |
| 1962/1963 | 959 | 千吨 | 2026-9 |
| 1961/1962 | 999 | 千吨 | 2026-9 |
| 1960/1961 | 868 | 千吨 | 2026-9 |