| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1991/1992 | 2300 | 千吨 | 2026-9 |
| 1990/1991 | 400 | 千吨 | 2026-9 |
| 1989/1990 | 1500 | 千吨 | 2026-9 |
| 1988/1989 | 670 | 千吨 | 2026-9 |
| 1987/1988 | 1900 | 千吨 | 2026-9 |
| 1986/1987 | 2700 | 千吨 | 2026-9 |
| 1985/1986 | 1542 | 千吨 | 2026-9 |
| 1984/1985 | 2861 | 千吨 | 2026-9 |
| 1983/1984 | 2118 | 千吨 | 2026-9 |
| 1982/1983 | 2527 | 千吨 | 2026-9 |
| 1981/1982 | 2251 | 千吨 | 2026-9 |
| 1980/1981 | 2018 | 千吨 | 2026-9 |
| 1979/1980 | 2527 | 千吨 | 2026-9 |
| 1978/1979 | 1703 | 千吨 | 2026-9 |
| 1977/1978 | 2335 | 千吨 | 2026-9 |
| 1976/1977 | 1891 | 千吨 | 2026-9 |
| 1975/1976 | 1728 | 千吨 | 2026-9 |
| 1974/1975 | 623 | 千吨 | 2026-9 |
| 1973/1974 | 755 | 千吨 | 2026-9 |
| 1972/1973 | 1164 | 千吨 | 2026-9 |
| 1971/1972 | 1174 | 千吨 | 2026-9 |
| 1970/1971 | 899 | 千吨 | 2026-9 |
| 1969/1970 | 1112 | 千吨 | 2026-9 |
| 1968/1969 | 755 | 千吨 | 2026-9 |
| 1967/1968 | 413 | 千吨 | 2026-9 |
| 1966/1967 | 437 | 千吨 | 2026-9 |
| 1965/1966 | 116 | 千吨 | 2026-9 |
| 1964/1965 | 523 | 千吨 | 2026-9 |
| 1963/1964 | 250 | 千吨 | 2026-9 |
| 1962/1963 | 472 | 千吨 | 2026-9 |
| 1961/1962 | 350 | 千吨 | 2026-9 |
| 1960/1961 | 0 | 千吨 | 2026-9 |