| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1346 | 千吨 | 2026-9 |
| 1997/1998 | 1202 | 千吨 | 2026-9 |
| 1996/1997 | 816 | 千吨 | 2026-9 |
| 1995/1996 | 588 | 千吨 | 2026-9 |
| 1994/1995 | 481 | 千吨 | 2026-9 |
| 1993/1994 | 372 | 千吨 | 2026-9 |
| 1992/1993 | 453 | 千吨 | 2026-9 |
| 1991/1992 | 481 | 千吨 | 2026-9 |
| 1990/1991 | 683 | 千吨 | 2026-9 |
| 1989/1990 | 977 | 千吨 | 2026-9 |
| 1988/1989 | 941 | 千吨 | 2026-9 |
| 1987/1988 | 780 | 千吨 | 2026-9 |
| 1986/1987 | 998 | 千吨 | 2026-9 |
| 1985/1986 | 1591 | 千吨 | 2026-9 |
| 1984/1985 | 1781 | 千吨 | 2026-9 |
| 1983/1984 | 2231 | 千吨 | 2026-9 |
| 1982/1983 | 2347 | 千吨 | 2026-9 |
| 1981/1982 | 3596 | 千吨 | 2026-9 |
| 1980/1981 | 3500 | 千吨 | 2026-9 |
| 1979/1980 | 3769 | 千吨 | 2026-9 |
| 1978/1979 | 3389 | 千吨 | 2026-9 |
| 1977/1978 | 3462 | 千吨 | 2026-9 |
| 1976/1977 | 2311 | 千吨 | 2026-9 |
| 1975/1976 | 4149 | 千吨 | 2026-9 |
| 1974/1975 | 2589 | 千吨 | 2026-9 |
| 1973/1974 | 2702 | 千吨 | 2026-9 |
| 1972/1973 | 2742 | 千吨 | 2026-9 |
| 1971/1972 | 1898 | 千吨 | 2026-9 |
| 1970/1971 | 3525 | 千吨 | 2026-9 |
| 1969/1970 | 1698 | 千吨 | 2026-9 |
| 1968/1969 | 1383 | 千吨 | 2026-9 |
| 1967/1968 | 1264 | 千吨 | 2026-9 |
| 1966/1967 | 2013 | 千吨 | 2026-9 |
| 1965/1966 | 2358 | 千吨 | 2026-9 |
| 1964/1965 | 1360 | 千吨 | 2026-9 |
| 1963/1964 | 2366 | 千吨 | 2026-9 |
| 1962/1963 | 1429 | 千吨 | 2026-9 |
| 1961/1962 | 3640 | 千吨 | 2026-9 |
| 1960/1961 | 2953 | 千吨 | 2026-9 |