| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 1030 | 千吨 | 2026-9 |
| 1997/1998 | 1380 | 千吨 | 2026-9 |
| 1996/1997 | 900 | 千吨 | 2026-9 |
| 1995/1996 | 1345 | 千吨 | 2026-9 |
| 1994/1995 | 1250 | 千吨 | 2026-9 |
| 1993/1994 | 900 | 千吨 | 2026-9 |
| 1992/1993 | 1700 | 千吨 | 2026-9 |
| 1991/1992 | 1600 | 千吨 | 2026-9 |
| 1990/1991 | 1500 | 千吨 | 2026-9 |
| 1989/1990 | 2100 | 千吨 | 2026-9 |
| 1988/1989 | 2200 | 千吨 | 2026-9 |
| 1987/1988 | 2150 | 千吨 | 2026-9 |
| 1986/1987 | 2500 | 千吨 | 2026-9 |
| 1985/1986 | 1800 | 千吨 | 2026-9 |
| 1984/1985 | 3100 | 千吨 | 2026-9 |
| 1983/1984 | 3100 | 千吨 | 2026-9 |
| 1982/1983 | 3200 | 千吨 | 2026-9 |
| 1981/1982 | 3000 | 千吨 | 2026-9 |
| 1980/1981 | 3000 | 千吨 | 2026-9 |
| 1979/1980 | 3200 | 千吨 | 2026-9 |
| 1978/1979 | 2400 | 千吨 | 2026-9 |
| 1977/1978 | 2670 | 千吨 | 2026-9 |
| 1976/1977 | 2550 | 千吨 | 2026-9 |
| 1975/1976 | 2681 | 千吨 | 2026-9 |
| 1974/1975 | 1668 | 千吨 | 2026-9 |
| 1973/1974 | 2031 | 千吨 | 2026-9 |
| 1972/1973 | 1972 | 千吨 | 2026-9 |
| 1971/1972 | 1994 | 千吨 | 2026-9 |
| 1970/1971 | 1710 | 千吨 | 2026-9 |
| 1969/1970 | 1535 | 千吨 | 2026-9 |
| 1968/1969 | 1318 | 千吨 | 2026-9 |
| 1967/1968 | 1641 | 千吨 | 2026-9 |
| 1966/1967 | 1429 | 千吨 | 2026-9 |
| 1965/1966 | 381 | 千吨 | 2026-9 |
| 1964/1965 | 1478 | 千吨 | 2026-9 |
| 1963/1964 | 1183 | 千吨 | 2026-9 |
| 1962/1963 | 1152 | 千吨 | 2026-9 |
| 1961/1962 | 1032 | 千吨 | 2026-9 |
| 1960/1961 | 974 | 千吨 | 2026-9 |