| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 7487 | 千吨 | 2026-9 |
| 1990/1991 | 6783 | 千吨 | 2026-9 |
| 1989/1990 | 6627 | 千吨 | 2026-9 |
| 1988/1989 | 7118 | 千吨 | 2026-9 |
| 1987/1988 | 6093 | 千吨 | 2026-9 |
| 1986/1987 | 5926 | 千吨 | 2026-9 |
| 1985/1986 | 5524 | 千吨 | 2026-9 |
| 1984/1985 | 6182 | 千吨 | 2026-9 |
| 1983/1984 | 6367 | 千吨 | 2026-9 |
| 1982/1983 | 6200 | 千吨 | 2026-9 |
| 1981/1982 | 6266 | 千吨 | 2026-9 |
| 1980/1981 | 6666 | 千吨 | 2026-9 |
| 1979/1980 | 6165 | 千吨 | 2026-9 |
| 1978/1979 | 6468 | 千吨 | 2026-9 |
| 1977/1978 | 6870 | 千吨 | 2026-9 |
| 1976/1977 | 6968 | 千吨 | 2026-9 |
| 1975/1976 | 6210 | 千吨 | 2026-9 |
| 1974/1975 | 6930 | 千吨 | 2026-9 |
| 1973/1974 | 6030 | 千吨 | 2026-9 |
| 1972/1973 | 5737 | 千吨 | 2026-9 |
| 1971/1972 | 5911 | 千吨 | 2026-9 |
| 1970/1971 | 5090 | 千吨 | 2026-9 |
| 1969/1970 | 5495 | 千吨 | 2026-9 |
| 1968/1969 | 5324 | 千吨 | 2026-9 |
| 1967/1968 | 5815 | 千吨 | 2026-9 |
| 1966/1967 | 5428 | 千吨 | 2026-9 |
| 1965/1966 | 5218 | 千吨 | 2026-9 |
| 1964/1965 | 5572 | 千吨 | 2026-9 |
| 1963/1964 | 5518 | 千吨 | 2026-9 |
| 1962/1963 | 5410 | 千吨 | 2026-9 |
| 1961/1962 | 5172 | 千吨 | 2026-9 |
| 1960/1961 | 5278 | 千吨 | 2026-9 |