| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 6332 | 千吨 | 2026-9 |
| 1997/1998 | 5946 | 千吨 | 2026-9 |
| 1996/1997 | 5650 | 千吨 | 2026-9 |
| 1995/1996 | 5892 | 千吨 | 2026-9 |
| 1994/1995 | 4657 | 千吨 | 2026-9 |
| 1993/1994 | 5100 | 千吨 | 2026-9 |
| 1992/1993 | 4324 | 千吨 | 2026-9 |
| 1991/1992 | 6133 | 千吨 | 2026-9 |
| 1990/1991 | 6275 | 千吨 | 2026-9 |
| 1989/1990 | 5870 | 千吨 | 2026-9 |
| 1988/1989 | 5118 | 千吨 | 2026-9 |
| 1987/1988 | 4331 | 千吨 | 2026-9 |
| 1986/1987 | 3389 | 千吨 | 2026-9 |
| 1985/1986 | 2751 | 千吨 | 2026-9 |
| 1984/1985 | 2567 | 千吨 | 2026-9 |
| 1983/1984 | 2406 | 千吨 | 2026-9 |
| 1982/1983 | 2506 | 千吨 | 2026-9 |
| 1981/1982 | 2320 | 千吨 | 2026-9 |
| 1980/1981 | 1773 | 千吨 | 2026-9 |
| 1979/1980 | 1770 | 千吨 | 2026-9 |
| 1978/1979 | 1769 | 千吨 | 2026-9 |
| 1977/1978 | 1625 | 千吨 | 2026-9 |
| 1976/1977 | 1620 | 千吨 | 2026-9 |
| 1975/1976 | 1414 | 千吨 | 2026-9 |
| 1974/1975 | 1470 | 千吨 | 2026-9 |
| 1973/1974 | 1339 | 千吨 | 2026-9 |
| 1972/1973 | 1079 | 千吨 | 2026-9 |
| 1971/1972 | 857 | 千吨 | 2026-9 |
| 1970/1971 | 773 | 千吨 | 2026-9 |
| 1969/1970 | 595 | 千吨 | 2026-9 |
| 1968/1969 | 552 | 千吨 | 2026-9 |
| 1967/1968 | 516 | 千吨 | 2026-9 |
| 1966/1967 | 497 | 千吨 | 2026-9 |
| 1965/1966 | 468 | 千吨 | 2026-9 |
| 1964/1965 | 425 | 千吨 | 2026-9 |
| 1963/1964 | 479 | 千吨 | 2026-9 |
| 1962/1963 | 392 | 千吨 | 2026-9 |
| 1961/1962 | 445 | 千吨 | 2026-9 |
| 1960/1961 | 390 | 千吨 | 2026-9 |