| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 2967 | 千吨 | 2026-9 |
| 1997/1998 | 2790 | 千吨 | 2026-9 |
| 1996/1997 | 2902 | 千吨 | 2026-9 |
| 1995/1996 | 2349 | 千吨 | 2026-9 |
| 1994/1995 | 2472 | 千吨 | 2026-9 |
| 1993/1994 | 2200 | 千吨 | 2026-9 |
| 1992/1993 | 2600 | 千吨 | 2026-9 |
| 1991/1992 | 3300 | 千吨 | 2026-9 |
| 1990/1991 | 3108 | 千吨 | 2026-9 |
| 1989/1990 | 3245 | 千吨 | 2026-9 |
| 1988/1989 | 3475 | 千吨 | 2026-9 |
| 1987/1988 | 3574 | 千吨 | 2026-9 |
| 1986/1987 | 3606 | 千吨 | 2026-9 |
| 1985/1986 | 3244 | 千吨 | 2026-9 |
| 1984/1985 | 2884 | 千吨 | 2026-9 |
| 1983/1984 | 2684 | 千吨 | 2026-9 |
| 1982/1983 | 3045 | 千吨 | 2026-9 |
| 1981/1982 | 3103 | 千吨 | 2026-9 |
| 1980/1981 | 3378 | 千吨 | 2026-9 |
| 1979/1980 | 4850 | 千吨 | 2026-9 |
| 1978/1979 | 4600 | 千吨 | 2026-9 |
| 1977/1978 | 4400 | 千吨 | 2026-9 |
| 1976/1977 | 4300 | 千吨 | 2026-9 |
| 1975/1976 | 4239 | 千吨 | 2026-9 |
| 1974/1975 | 4064 | 千吨 | 2026-9 |
| 1973/1974 | 3148 | 千吨 | 2026-9 |
| 1972/1973 | 2633 | 千吨 | 2026-9 |
| 1971/1972 | 3170 | 千吨 | 2026-9 |
| 1970/1971 | 2294 | 千吨 | 2026-9 |
| 1969/1970 | 1626 | 千吨 | 2026-9 |
| 1968/1969 | 1438 | 千吨 | 2026-9 |
| 1967/1968 | 1046 | 千吨 | 2026-9 |
| 1966/1967 | 965 | 千吨 | 2026-9 |
| 1965/1966 | 1378 | 千吨 | 2026-9 |
| 1964/1965 | 846 | 千吨 | 2026-9 |
| 1963/1964 | 1025 | 千吨 | 2026-9 |
| 1962/1963 | 920 | 千吨 | 2026-9 |
| 1961/1962 | 1004 | 千吨 | 2026-9 |
| 1960/1961 | 896 | 千吨 | 2026-9 |