| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1990/1991 | 1291 | 千吨 | 2026-9 |
| 1989/1990 | 1233 | 千吨 | 2026-9 |
| 1988/1989 | 1455 | 千吨 | 2026-9 |
| 1987/1988 | 1360 | 千吨 | 2026-9 |
| 1986/1987 | 1303 | 千吨 | 2026-9 |
| 1985/1986 | 1332 | 千吨 | 2026-9 |
| 1984/1985 | 1242 | 千吨 | 2026-9 |
| 1983/1984 | 1182 | 千吨 | 2026-9 |
| 1982/1983 | 1163 | 千吨 | 2026-9 |
| 1981/1982 | 1171 | 千吨 | 2026-9 |
| 1980/1981 | 970 | 千吨 | 2026-9 |
| 1979/1980 | 800 | 千吨 | 2026-9 |
| 1978/1979 | 716 | 千吨 | 2026-9 |
| 1977/1978 | 703 | 千吨 | 2026-9 |
| 1976/1977 | 563 | 千吨 | 2026-9 |
| 1975/1976 | 529 | 千吨 | 2026-9 |
| 1974/1975 | 443 | 千吨 | 2026-9 |
| 1973/1974 | 425 | 千吨 | 2026-9 |
| 1972/1973 | 359 | 千吨 | 2026-9 |
| 1971/1972 | 344 | 千吨 | 2026-9 |
| 1970/1971 | 263 | 千吨 | 2026-9 |
| 1969/1970 | 243 | 千吨 | 2026-9 |
| 1968/1969 | 204 | 千吨 | 2026-9 |
| 1967/1968 | 180 | 千吨 | 2026-9 |
| 1966/1967 | 219 | 千吨 | 2026-9 |
| 1965/1966 | 267 | 千吨 | 2026-9 |
| 1964/1965 | 224 | 千吨 | 2026-9 |