| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 2124 | 千吨 | 2026-9 |
| 1989/1990 | 2040 | 千吨 | 2026-9 |
| 1988/1989 | 1887 | 千吨 | 2026-9 |
| 1987/1988 | 2350 | 千吨 | 2026-9 |
| 1986/1987 | 2536 | 千吨 | 2026-9 |
| 1985/1986 | 2317 | 千吨 | 2026-9 |
| 1984/1985 | 2114 | 千吨 | 2026-9 |
| 1983/1984 | 1931 | 千吨 | 2026-9 |
| 1982/1983 | 2708 | 千吨 | 2026-9 |
| 1981/1982 | 2899 | 千吨 | 2026-9 |
| 1980/1981 | 2576 | 千吨 | 2026-9 |
| 1979/1980 | 3149 | 千吨 | 2026-9 |
| 1978/1979 | 2946 | 千吨 | 2026-9 |
| 1977/1978 | 2942 | 千吨 | 2026-9 |
| 1976/1977 | 2733 | 千吨 | 2026-9 |
| 1975/1976 | 2756 | 千吨 | 2026-9 |
| 1974/1975 | 2783 | 千吨 | 2026-9 |
| 1973/1974 | 2960 | 千吨 | 2026-9 |
| 1972/1973 | 2234 | 千吨 | 2026-9 |
| 1971/1972 | 1772 | 千吨 | 2026-9 |
| 1970/1971 | 1668 | 千吨 | 2026-9 |
| 1969/1970 | 1650 | 千吨 | 2026-9 |
| 1968/1969 | 1118 | 千吨 | 2026-9 |
| 1967/1968 | 1156 | 千吨 | 2026-9 |
| 1966/1967 | 1280 | 千吨 | 2026-9 |
| 1965/1966 | 1351 | 千吨 | 2026-9 |
| 1964/1965 | 1032 | 千吨 | 2026-9 |