| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1992/1993 | 1500 | 吨 | 2026-9 |
| 1991/1992 | 1472 | 吨 | 2026-9 |
| 1990/1991 | 1089 | 吨 | 2026-9 |
| 1989/1990 | 1116 | 吨 | 2026-9 |
| 1988/1989 | 417 | 吨 | 2026-9 |
| 1987/1988 | 534 | 吨 | 2026-9 |
| 1986/1987 | 1334 | 吨 | 2026-9 |
| 1985/1986 | 1074 | 吨 | 2026-9 |
| 1984/1985 | 3902 | 吨 | 2026-9 |
| 1983/1984 | 3357 | 吨 | 2026-9 |
| 1982/1983 | 1291 | 吨 | 2026-9 |
| 1981/1982 | 0 | 吨 | 2026-9 |
| 1980/1981 | 1656 | 吨 | 2026-9 |
| 1979/1980 | 1500 | 吨 | 2026-9 |
| 1978/1979 | 1200 | 吨 | 2026-9 |
| 1977/1978 | 2281 | 吨 | 2026-9 |
| 1976/1977 | 2162 | 吨 | 2026-9 |
| 1975/1976 | 1799 | 吨 | 2026-9 |
| 1974/1975 | 3153 | 吨 | 2026-9 |
| 1973/1974 | 6600 | 吨 | 2026-9 |
| 1972/1973 | 5300 | 吨 | 2026-9 |
| 1971/1972 | 5200 | 吨 | 2026-9 |
| 1970/1971 | 5000 | 吨 | 2026-9 |
| 1969/1970 | 1700 | 吨 | 2026-9 |
| 1968/1969 | 4500 | 吨 | 2026-9 |
| 1967/1968 | 5100 | 吨 | 2026-9 |
| 1966/1967 | 1200 | 吨 | 2026-9 |
| 1965/1966 | 3000 | 吨 | 2026-9 |
| 1964/1965 | 0 | 吨 | 2026-9 |
| 1962/1963 | 0 | 吨 | 2026-9 |
| 1961/1962 | 0 | 吨 | 2026-9 |
| 1960/1961 | 0 | 吨 | 2026-9 |