| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 177.139 | 千吨 | 2026-9 |
| 1989/1990 | 208.44 | 千吨 | 2026-9 |
| 1988/1989 | 208.44 | 千吨 | 2026-9 |
| 1987/1988 | 231.205 | 千吨 | 2026-9 |
| 1986/1987 | 187.454 | 千吨 | 2026-9 |
| 1985/1986 | 204.172 | 千吨 | 2026-9 |
| 1984/1985 | 206.662 | 千吨 | 2026-9 |
| 1983/1984 | 115.958 | 千吨 | 2026-9 |
| 1982/1983 | 112.757 | 千吨 | 2026-9 |
| 1981/1982 | 64.737 | 千吨 | 2026-9 |
| 1980/1981 | 46.597 | 千吨 | 2026-9 |
| 1979/1980 | 34.859 | 千吨 | 2026-9 |
| 1978/1979 | 26.678 | 千吨 | 2026-9 |
| 1977/1978 | 13.161 | 千吨 | 2026-9 |
| 1976/1977 | 14.228 | 千吨 | 2026-9 |
| 1975/1976 | 12.45 | 千吨 | 2026-9 |
| 1974/1975 | 11.382 | 千吨 | 2026-9 |
| 1973/1974 | 17.074 | 千吨 | 2026-9 |
| 1972/1973 | 13.872 | 千吨 | 2026-9 |
| 1971/1972 | 15.651 | 千吨 | 2026-9 |
| 1970/1971 | 2.49 | 千吨 | 2026-9 |
| 1969/1970 | 1.067 | 千吨 | 2026-9 |
| 1968/1969 | 13.161 | 千吨 | 2026-9 |
| 1967/1968 | 1.423 | 千吨 | 2026-9 |
| 1966/1967 | 0 | 千吨 | 2026-9 |
| 1965/1966 | 0 | 千吨 | 2026-9 |
| 1964/1965 | 0 | 千吨 | 2026-9 |