| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1995/1996 | 1 | 千吨 | 2026-9 |
| 1992/1993 | 40 | 千吨 | 2026-9 |
| 1989/1990 | 12 | 千吨 | 2026-9 |
| 1988/1989 | 93 | 千吨 | 2026-9 |
| 1987/1988 | 127 | 千吨 | 2026-9 |
| 1986/1987 | 98 | 千吨 | 2026-9 |
| 1980/1981 | 0 | 千吨 | 2026-9 |
| 1979/1980 | 231 | 千吨 | 2026-9 |
| 1978/1979 | 105 | 千吨 | 2026-9 |
| 1977/1978 | 477 | 千吨 | 2026-9 |
| 1976/1977 | 713 | 千吨 | 2026-9 |
| 1975/1976 | 277 | 千吨 | 2026-9 |
| 1974/1975 | 317 | 千吨 | 2026-9 |
| 1973/1974 | 26 | 千吨 | 2026-9 |
| 1971/1972 | 2 | 千吨 | 2026-9 |
| 1970/1971 | 40 | 千吨 | 2026-9 |
| 1969/1970 | 25 | 千吨 | 2026-9 |
| 1968/1969 | 47 | 千吨 | 2026-9 |
| 1967/1968 | 61 | 千吨 | 2026-9 |
| 1966/1967 | 131 | 千吨 | 2026-9 |
| 1965/1966 | 48 | 千吨 | 2026-9 |
| 1964/1965 | 96 | 千吨 | 2026-9 |
| 1963/1964 | 151 | 千吨 | 2026-9 |
| 1962/1963 | 491 | 千吨 | 2026-9 |
| 1961/1962 | 108 | 千吨 | 2026-9 |
| 1960/1961 | 97 | 千吨 | 2026-9 |