| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1381 | 千吨 | 2026-9 |
| 1989/1990 | 1409 | 千吨 | 2026-9 |
| 1988/1989 | 985 | 千吨 | 2026-9 |
| 1987/1988 | 1321 | 千吨 | 2026-9 |
| 1986/1987 | 1545 | 千吨 | 2026-9 |
| 1985/1986 | 1590 | 千吨 | 2026-9 |
| 1984/1985 | 1180 | 千吨 | 2026-9 |
| 1983/1984 | 1046 | 千吨 | 2026-9 |
| 1982/1983 | 1285 | 千吨 | 2026-9 |
| 1981/1982 | 1465 | 千吨 | 2026-9 |
| 1980/1981 | 828 | 千吨 | 2026-9 |
| 1979/1980 | 1509 | 千吨 | 2026-9 |
| 1978/1979 | 1226 | 千吨 | 2026-9 |
| 1977/1978 | 1070 | 千吨 | 2026-9 |
| 1976/1977 | 720 | 千吨 | 2026-9 |
| 1975/1976 | 802 | 千吨 | 2026-9 |
| 1974/1975 | 448 | 千吨 | 2026-9 |
| 1973/1974 | 619 | 千吨 | 2026-9 |
| 1972/1973 | 479 | 千吨 | 2026-9 |
| 1971/1972 | 474 | 千吨 | 2026-9 |
| 1970/1971 | 325 | 千吨 | 2026-9 |
| 1969/1970 | 265 | 千吨 | 2026-9 |
| 1968/1969 | 221 | 千吨 | 2026-9 |
| 1967/1968 | 194 | 千吨 | 2026-9 |
| 1966/1967 | 170 | 千吨 | 2026-9 |
| 1965/1966 | 127 | 千吨 | 2026-9 |
| 1964/1965 | 109 | 千吨 | 2026-9 |