| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 3600 | 千吨 | 2026-9 |
| 1990/1991 | 3500 | 千吨 | 2026-9 |
| 1989/1990 | 3000 | 千吨 | 2026-9 |
| 1988/1989 | 3400 | 千吨 | 2026-9 |
| 1987/1988 | 3000 | 千吨 | 2026-9 |
| 1986/1987 | 3020 | 千吨 | 2026-9 |
| 1985/1986 | 3015 | 千吨 | 2026-9 |
| 1984/1985 | 3050 | 千吨 | 2026-9 |
| 1983/1984 | 3300 | 千吨 | 2026-9 |
| 1982/1983 | 2900 | 千吨 | 2026-9 |
| 1981/1982 | 2700 | 千吨 | 2026-9 |
| 1980/1981 | 3650 | 千吨 | 2026-9 |
| 1979/1980 | 2700 | 千吨 | 2026-9 |
| 1978/1979 | 3650 | 千吨 | 2026-9 |
| 1977/1978 | 3420 | 千吨 | 2026-9 |
| 1976/1977 | 3530 | 千吨 | 2026-9 |
| 1975/1976 | 3089 | 千吨 | 2026-9 |
| 1974/1975 | 3352 | 千吨 | 2026-9 |
| 1973/1974 | 3204 | 千吨 | 2026-9 |
| 1972/1973 | 2904 | 千吨 | 2026-9 |
| 1971/1972 | 2831 | 千吨 | 2026-9 |
| 1970/1971 | 2574 | 千吨 | 2026-9 |
| 1969/1970 | 2387 | 千吨 | 2026-9 |
| 1968/1969 | 2401 | 千吨 | 2026-9 |
| 1967/1968 | 1803 | 千吨 | 2026-9 |
| 1966/1967 | 1204 | 千吨 | 2026-9 |
| 1965/1966 | 785 | 千吨 | 2026-9 |
| 1964/1965 | 1414 | 千吨 | 2026-9 |
| 1963/1964 | 1281 | 千吨 | 2026-9 |
| 1962/1963 | 833 | 千吨 | 2026-9 |
| 1961/1962 | 1140 | 千吨 | 2026-9 |
| 1960/1961 | 1074 | 千吨 | 2026-9 |