| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 2620 | 千吨 | 2026-9 |
| 1990/1991 | 2817 | 千吨 | 2026-9 |
| 1989/1990 | 2379 | 千吨 | 2026-9 |
| 1988/1989 | 2365 | 千吨 | 2026-9 |
| 1987/1988 | 2619 | 千吨 | 2026-9 |
| 1986/1987 | 2495 | 千吨 | 2026-9 |
| 1985/1986 | 2500 | 千吨 | 2026-9 |
| 1984/1985 | 2287 | 千吨 | 2026-9 |
| 1983/1984 | 2260 | 千吨 | 2026-9 |
| 1982/1983 | 2596 | 千吨 | 2026-9 |
| 1981/1982 | 2367 | 千吨 | 2026-9 |
| 1980/1981 | 2210 | 千吨 | 2026-9 |
| 1979/1980 | 2634 | 千吨 | 2026-9 |
| 1978/1979 | 2600 | 千吨 | 2026-9 |
| 1977/1978 | 2280 | 千吨 | 2026-9 |
| 1976/1977 | 2453 | 千吨 | 2026-9 |
| 1975/1976 | 2399 | 千吨 | 2026-9 |
| 1974/1975 | 2438 | 千吨 | 2026-9 |
| 1973/1974 | 2074 | 千吨 | 2026-9 |
| 1972/1973 | 1825 | 千吨 | 2026-9 |
| 1971/1972 | 1897 | 千吨 | 2026-9 |
| 1970/1971 | 1677 | 千吨 | 2026-9 |
| 1969/1970 | 1552 | 千吨 | 2026-9 |
| 1968/1969 | 1313 | 千吨 | 2026-9 |
| 1967/1968 | 1361 | 千吨 | 2026-9 |
| 1966/1967 | 887 | 千吨 | 2026-9 |
| 1965/1966 | 1191 | 千吨 | 2026-9 |
| 1964/1965 | 999 | 千吨 | 2026-9 |
| 1963/1964 | 1041 | 千吨 | 2026-9 |
| 1962/1963 | 1248 | 千吨 | 2026-9 |
| 1961/1962 | 1074 | 千吨 | 2026-9 |
| 1960/1961 | 1071 | 千吨 | 2026-9 |