| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1988/1989 | 13483 | 千吨 | 2026-9 |
| 1987/1988 | 13428 | 千吨 | 2026-9 |
| 1986/1987 | 13449 | 千吨 | 2026-9 |
| 1985/1986 | 13400 | 千吨 | 2026-9 |
| 1984/1985 | 13075 | 千吨 | 2026-9 |
| 1983/1984 | 13300 | 千吨 | 2026-9 |
| 1982/1983 | 13020 | 千吨 | 2026-9 |
| 1981/1982 | 13010 | 千吨 | 2026-9 |
| 1980/1981 | 12866 | 千吨 | 2026-9 |
| 1979/1980 | 12780 | 千吨 | 2026-9 |
| 1978/1979 | 12350 | 千吨 | 2026-9 |
| 1977/1978 | 12090 | 千吨 | 2026-9 |
| 1976/1977 | 11890 | 千吨 | 2026-9 |
| 1975/1976 | 11630 | 千吨 | 2026-9 |
| 1974/1975 | 11270 | 千吨 | 2026-9 |
| 1973/1974 | 11190 | 千吨 | 2026-9 |
| 1972/1973 | 10564 | 千吨 | 2026-9 |
| 1971/1972 | 10100 | 千吨 | 2026-9 |
| 1970/1971 | 10094 | 千吨 | 2026-9 |
| 1969/1970 | 10386 | 千吨 | 2026-9 |
| 1968/1969 | 10305 | 千吨 | 2026-9 |
| 1967/1968 | 10133 | 千吨 | 2026-9 |
| 1966/1967 | 9840 | 千吨 | 2026-9 |
| 1965/1966 | 9402 | 千吨 | 2026-9 |
| 1964/1965 | 8976 | 千吨 | 2026-9 |
| 1963/1964 | 8325 | 千吨 | 2026-9 |
| 1962/1963 | 8200 | 千吨 | 2026-9 |
| 1961/1962 | 8200 | 千吨 | 2026-9 |
| 1960/1961 | 7350 | 千吨 | 2026-9 |