| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 128.07 | 千吨 | 2026-9 |
| 1989/1990 | 123.801 | 千吨 | 2026-9 |
| 1988/1989 | 132.339 | 千吨 | 2026-9 |
| 1987/1988 | 116.686 | 千吨 | 2026-9 |
| 1986/1987 | 112.417 | 千吨 | 2026-9 |
| 1985/1986 | 91.072 | 千吨 | 2026-9 |
| 1984/1985 | 88.226 | 千吨 | 2026-9 |
| 1983/1984 | 81.823 | 千吨 | 2026-9 |
| 1982/1983 | 74.708 | 千吨 | 2026-9 |
| 1981/1982 | 83.246 | 千吨 | 2026-9 |
| 1980/1981 | 61.189 | 千吨 | 2026-9 |
| 1979/1980 | 75.419 | 千吨 | 2026-9 |
| 1978/1979 | 74.708 | 千吨 | 2026-9 |
| 1977/1978 | 68.304 | 千吨 | 2026-9 |
| 1976/1977 | 71.15 | 千吨 | 2026-9 |
| 1975/1976 | 76.131 | 千吨 | 2026-9 |
| 1974/1975 | 64.747 | 千吨 | 2026-9 |
| 1973/1974 | 64.035 | 千吨 | 2026-9 |
| 1972/1973 | 66.881 | 千吨 | 2026-9 |
| 1971/1972 | 60.478 | 千吨 | 2026-9 |
| 1970/1971 | 58.343 | 千吨 | 2026-9 |
| 1969/1970 | 58.343 | 千吨 | 2026-9 |
| 1968/1969 | 51.94 | 千吨 | 2026-9 |
| 1967/1968 | 61.189 | 千吨 | 2026-9 |
| 1966/1967 | 50.517 | 千吨 | 2026-9 |
| 1965/1966 | 71.862 | 千吨 | 2026-9 |
| 1964/1965 | 36.287 | 千吨 | 2026-9 |