| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1500 | 千吨 | 2026-9 |
| 1997/1998 | 1606 | 千吨 | 2026-9 |
| 1996/1997 | 1573 | 千吨 | 2026-9 |
| 1995/1996 | 1000 | 千吨 | 2026-9 |
| 1994/1995 | 1200 | 千吨 | 2026-9 |
| 1993/1994 | 1200 | 千吨 | 2026-9 |
| 1992/1993 | 1700 | 千吨 | 2026-9 |
| 1991/1992 | 2000 | 千吨 | 2026-9 |
| 1990/1991 | 2300 | 千吨 | 2026-9 |
| 1989/1990 | 2300 | 千吨 | 2026-9 |
| 1988/1989 | 2350 | 千吨 | 2026-9 |
| 1987/1988 | 2100 | 千吨 | 2026-9 |
| 1986/1987 | 2100 | 千吨 | 2026-9 |
| 1985/1986 | 2100 | 千吨 | 2026-9 |
| 1984/1985 | 2700 | 千吨 | 2026-9 |
| 1983/1984 | 2200 | 千吨 | 2026-9 |
| 1982/1983 | 2215 | 千吨 | 2026-9 |
| 1981/1982 | 1995 | 千吨 | 2026-9 |
| 1980/1981 | 2400 | 千吨 | 2026-9 |
| 1979/1980 | 1200 | 千吨 | 2026-9 |
| 1978/1979 | 2530 | 千吨 | 2026-9 |
| 1977/1978 | 2476 | 千吨 | 2026-9 |
| 1976/1977 | 2635 | 千吨 | 2026-9 |
| 1975/1976 | 1121 | 千吨 | 2026-9 |
| 1974/1975 | 1907 | 千吨 | 2026-9 |
| 1973/1974 | 1562 | 千吨 | 2026-9 |
| 1972/1973 | 1279 | 千吨 | 2026-9 |
| 1971/1972 | 1462 | 千吨 | 2026-9 |
| 1970/1971 | 1427 | 千吨 | 2026-9 |
| 1969/1970 | 995 | 千吨 | 2026-9 |
| 1968/1969 | 1491 | 千吨 | 2026-9 |
| 1967/1968 | 1123 | 千吨 | 2026-9 |
| 1966/1967 | 542 | 千吨 | 2026-9 |
| 1965/1966 | 489 | 千吨 | 2026-9 |
| 1964/1965 | 605 | 千吨 | 2026-9 |
| 1963/1964 | 175 | 千吨 | 2026-9 |
| 1962/1963 | 138 | 千吨 | 2026-9 |
| 1961/1962 | 678 | 千吨 | 2026-9 |
| 1960/1961 | 217 | 千吨 | 2026-9 |