| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 1998/1999 | 2716 | 千吨 | 2026-9 |
| 1997/1998 | 2055 | 千吨 | 2026-9 |
| 1996/1997 | 2421 | 千吨 | 2026-9 |
| 1995/1996 | 4486 | 千吨 | 2026-9 |
| 1994/1995 | 3831 | 千吨 | 2026-9 |
| 1993/1994 | 2343 | 千吨 | 2026-9 |
| 1992/1993 | 1611 | 千吨 | 2026-9 |
| 1991/1992 | 1757 | 千吨 | 2026-9 |
| 1990/1991 | 3142 | 千吨 | 2026-9 |
| 1989/1990 | 3851 | 千吨 | 2026-9 |
| 1988/1989 | 2560 | 千吨 | 2026-9 |
| 1987/1988 | 4307 | 千吨 | 2026-9 |
| 1986/1987 | 3292 | 千吨 | 2026-9 |
| 1985/1986 | 4943 | 千吨 | 2026-9 |
| 1984/1985 | 8975 | 千吨 | 2026-9 |
| 1983/1984 | 11153 | 千吨 | 2026-9 |
| 1982/1983 | 13734 | 千吨 | 2026-9 |
| 1981/1982 | 18000 | 千吨 | 2026-9 |
| 1980/1981 | 20500 | 千吨 | 2026-9 |
| 1979/1980 | 21200 | 千吨 | 2026-9 |
| 1978/1979 | 21196 | 千吨 | 2026-9 |
| 1977/1978 | 20479 | 千吨 | 2026-9 |
| 1976/1977 | 26353 | 千吨 | 2026-9 |
| 1975/1976 | 19507 | 千吨 | 2026-9 |
| 1974/1975 | 19200 | 千吨 | 2026-9 |
| 1973/1974 | 19155 | 千吨 | 2026-9 |
| 1972/1973 | 17064 | 千吨 | 2026-9 |
| 1971/1972 | 19808 | 千吨 | 2026-9 |
| 1970/1971 | 17969 | 千吨 | 2026-9 |
| 1969/1970 | 17509 | 千吨 | 2026-9 |
| 1968/1969 | 17537 | 千吨 | 2026-9 |
| 1967/1968 | 18954 | 千吨 | 2026-9 |
| 1966/1967 | 18344 | 千吨 | 2026-9 |
| 1965/1966 | 18630 | 千吨 | 2026-9 |
| 1964/1965 | 14710 | 千吨 | 2026-9 |
| 1963/1964 | 15127 | 千吨 | 2026-9 |
| 1962/1963 | 13242 | 千吨 | 2026-9 |
| 1961/1962 | 11245 | 千吨 | 2026-9 |
| 1960/1961 | 8996 | 千吨 | 2026-9 |