| 年度 | 数值 | 单位 | 发布日期 |
| 1988/1989 | 986 | 千吨 | 2026-9 |
| 1987/1988 | 1134 | 千吨 | 2026-9 |
| 1986/1987 | 1149 | 千吨 | 2026-9 |
| 1985/1986 | 1203 | 千吨 | 2026-9 |
| 1984/1985 | 1233 | 千吨 | 2026-9 |
| 1983/1984 | 1187 | 千吨 | 2026-9 |
| 1982/1983 | 1110 | 千吨 | 2026-9 |
| 1981/1982 | 1057 | 千吨 | 2026-9 |
| 1980/1981 | 1178 | 千吨 | 2026-9 |
| 1979/1980 | 1283 | 千吨 | 2026-9 |
| 1978/1979 | 1226 | 千吨 | 2026-9 |
| 1977/1978 | 1162 | 千吨 | 2026-9 |
| 1976/1977 | 977 | 千吨 | 2026-9 |
| 1975/1976 | 1071 | 千吨 | 2026-9 |
| 1974/1975 | 1044 | 千吨 | 2026-9 |
| 1973/1974 | 1007 | 千吨 | 2026-9 |
| 1972/1973 | 1002 | 千吨 | 2026-9 |
| 1971/1972 | 1013 | 千吨 | 2026-9 |
| 1970/1971 | 1121 | 千吨 | 2026-9 |
| 1969/1970 | 1126 | 千吨 | 2026-9 |
| 1968/1969 | 1114 | 千吨 | 2026-9 |
| 1967/1968 | 1108 | 千吨 | 2026-9 |
| 1966/1967 | 1186 | 千吨 | 2026-9 |
| 1965/1966 | 1087 | 千吨 | 2026-9 |
| 1964/1965 | 1227 | 千吨 | 2026-9 |
| 1963/1964 | 1228 | 千吨 | 2026-9 |
| 1962/1963 | 1153 | 千吨 | 2026-9 |
| 1961/1962 | 1096 | 千吨 | 2026-9 |
| 1960/1961 | 1076 | 千吨 | 2026-9 |