| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1991/1992 | 6725 | 千吨 | 2026-9 |
| 1990/1991 | 6359 | 千吨 | 2026-9 |
| 1989/1990 | 5599 | 千吨 | 2026-9 |
| 1988/1989 | 6300 | 千吨 | 2026-9 |
| 1987/1988 | 5272 | 千吨 | 2026-9 |
| 1986/1987 | 4776 | 千吨 | 2026-9 |
| 1985/1986 | 4839 | 千吨 | 2026-9 |
| 1984/1985 | 5595 | 千吨 | 2026-9 |
| 1983/1984 | 5524 | 千吨 | 2026-9 |
| 1982/1983 | 5218 | 千吨 | 2026-9 |
| 1981/1982 | 4270 | 千吨 | 2026-9 |
| 1980/1981 | 5091 | 千吨 | 2026-9 |
| 1979/1980 | 4512 | 千吨 | 2026-9 |
| 1978/1979 | 5355 | 千吨 | 2026-9 |
| 1977/1978 | 5595 | 千吨 | 2026-9 |
| 1976/1977 | 5979 | 千吨 | 2026-9 |
| 1975/1976 | 4404 | 千吨 | 2026-9 |
| 1974/1975 | 6282 | 千吨 | 2026-9 |
| 1973/1974 | 4750 | 千吨 | 2026-9 |
| 1972/1973 | 4843 | 千吨 | 2026-9 |
| 1971/1972 | 5604 | 千吨 | 2026-9 |
| 1970/1971 | 3790 | 千吨 | 2026-9 |
| 1969/1970 | 4880 | 千吨 | 2026-9 |
| 1968/1969 | 4360 | 千吨 | 2026-9 |
| 1967/1968 | 4820 | 千吨 | 2026-9 |
| 1966/1967 | 4600 | 千吨 | 2026-9 |
| 1965/1966 | 3460 | 千吨 | 2026-9 |
| 1964/1965 | 3700 | 千吨 | 2026-9 |
| 1963/1964 | 4140 | 千吨 | 2026-9 |
| 1962/1963 | 3510 | 千吨 | 2026-9 |
| 1961/1962 | 3170 | 千吨 | 2026-9 |
| 1960/1961 | 3570 | 千吨 | 2026-9 |