| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1240 | 千吨 | 2026-9 |
| 1997/1998 | 1889 | 千吨 | 2026-9 |
| 1996/1997 | 1110 | 千吨 | 2026-9 |
| 1995/1996 | 1700 | 千吨 | 2026-9 |
| 1994/1995 | 1610 | 千吨 | 2026-9 |
| 1993/1994 | 1550 | 千吨 | 2026-9 |
| 1992/1993 | 1678 | 千吨 | 2026-9 |
| 1991/1992 | 2950 | 千吨 | 2026-9 |
| 1990/1991 | 2680 | 千吨 | 2026-9 |
| 1989/1990 | 3440 | 千吨 | 2026-9 |
| 1988/1989 | 3000 | 千吨 | 2026-9 |
| 1987/1988 | 1800 | 千吨 | 2026-9 |
| 1986/1987 | 1950 | 千吨 | 2026-9 |
| 1985/1986 | 1850 | 千吨 | 2026-9 |
| 1984/1985 | 2448 | 千吨 | 2026-9 |
| 1983/1984 | 2193 | 千吨 | 2026-9 |
| 1982/1983 | 3052 | 千吨 | 2026-9 |
| 1981/1982 | 2571 | 千吨 | 2026-9 |
| 1980/1981 | 2466 | 千吨 | 2026-9 |
| 1979/1980 | 2044 | 千吨 | 2026-9 |
| 1978/1979 | 2307 | 千吨 | 2026-9 |
| 1977/1978 | 1859 | 千吨 | 2026-9 |
| 1976/1977 | 1231 | 千吨 | 2026-9 |
| 1975/1976 | 952 | 千吨 | 2026-9 |
| 1974/1975 | 916 | 千吨 | 2026-9 |
| 1973/1974 | 730 | 千吨 | 2026-9 |
| 1972/1973 | 839 | 千吨 | 2026-9 |
| 1971/1972 | 789 | 千吨 | 2026-9 |
| 1970/1971 | 514 | 千吨 | 2026-9 |
| 1969/1970 | 544 | 千吨 | 2026-9 |
| 1968/1969 | 590 | 千吨 | 2026-9 |
| 1967/1968 | 531 | 千吨 | 2026-9 |
| 1966/1967 | 483 | 千吨 | 2026-9 |
| 1965/1966 | 485 | 千吨 | 2026-9 |
| 1964/1965 | 348 | 千吨 | 2026-9 |
| 1963/1964 | 351 | 千吨 | 2026-9 |
| 1962/1963 | 419 | 千吨 | 2026-9 |
| 1961/1962 | 468 | 千吨 | 2026-9 |
| 1960/1961 | 405 | 千吨 | 2026-9 |