| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 4500 | 千吨 | 2026-9 |
| 1997/1998 | 4200 | 千吨 | 2026-9 |
| 1996/1997 | 4000 | 千吨 | 2026-9 |
| 1995/1996 | 3639 | 千吨 | 2026-9 |
| 1994/1995 | 3300 | 千吨 | 2026-9 |
| 1993/1994 | 3000 | 千吨 | 2026-9 |
| 1992/1993 | 3300 | 千吨 | 2026-9 |
| 1991/1992 | 3800 | 千吨 | 2026-9 |
| 1990/1991 | 3800 | 千吨 | 2026-9 |
| 1989/1990 | 4100 | 千吨 | 2026-9 |
| 1988/1989 | 4100 | 千吨 | 2026-9 |
| 1987/1988 | 4850 | 千吨 | 2026-9 |
| 1986/1987 | 4151 | 千吨 | 2026-9 |
| 1985/1986 | 3449 | 千吨 | 2026-9 |
| 1984/1985 | 2630 | 千吨 | 2026-9 |
| 1983/1984 | 2704 | 千吨 | 2026-9 |
| 1982/1983 | 2656 | 千吨 | 2026-9 |
| 1981/1982 | 2735 | 千吨 | 2026-9 |
| 1980/1981 | 2752 | 千吨 | 2026-9 |
| 1979/1980 | 2800 | 千吨 | 2026-9 |
| 1978/1979 | 3800 | 千吨 | 2026-9 |
| 1977/1978 | 3400 | 千吨 | 2026-9 |
| 1976/1977 | 2700 | 千吨 | 2026-9 |
| 1975/1976 | 2974 | 千吨 | 2026-9 |
| 1974/1975 | 3168 | 千吨 | 2026-9 |
| 1973/1974 | 2686 | 千吨 | 2026-9 |
| 1972/1973 | 2500 | 千吨 | 2026-9 |
| 1971/1972 | 3059 | 千吨 | 2026-9 |
| 1970/1971 | 1914 | 千吨 | 2026-9 |
| 1969/1970 | 1557 | 千吨 | 2026-9 |
| 1968/1969 | 1501 | 千吨 | 2026-9 |
| 1967/1968 | 1674 | 千吨 | 2026-9 |
| 1966/1967 | 1052 | 千吨 | 2026-9 |
| 1965/1966 | 1173 | 千吨 | 2026-9 |
| 1964/1965 | 1323 | 千吨 | 2026-9 |
| 1963/1964 | 1752 | 千吨 | 2026-9 |
| 1962/1963 | 1551 | 千吨 | 2026-9 |
| 1961/1962 | 1102 | 千吨 | 2026-9 |
| 1960/1961 | 1021 | 千吨 | 2026-9 |