| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 3821 | 千吨 | 2026-9 |
| 1997/1998 | 3313 | 千吨 | 2026-9 |
| 1996/1997 | 2472 | 千吨 | 2026-9 |
| 1995/1996 | 3672 | 千吨 | 2026-9 |
| 1994/1995 | 4236 | 千吨 | 2026-9 |
| 1993/1994 | 4013 | 千吨 | 2026-9 |
| 1992/1993 | 3904 | 千吨 | 2026-9 |
| 1991/1992 | 4901 | 千吨 | 2026-9 |
| 1990/1991 | 5845 | 千吨 | 2026-9 |
| 1989/1990 | 5902 | 千吨 | 2026-9 |
| 1988/1989 | 5143 | 千吨 | 2026-9 |
| 1987/1988 | 5049 | 千吨 | 2026-9 |
| 1986/1987 | 4352 | 千吨 | 2026-9 |
| 1985/1986 | 3093 | 千吨 | 2026-9 |
| 1984/1985 | 5036 | 千吨 | 2026-9 |
| 1983/1984 | 3700 | 千吨 | 2026-9 |
| 1982/1983 | 4913 | 千吨 | 2026-9 |
| 1981/1982 | 4448 | 千吨 | 2026-9 |
| 1980/1981 | 3872 | 千吨 | 2026-9 |
| 1979/1980 | 3385 | 千吨 | 2026-9 |
| 1978/1979 | 3845 | 千吨 | 2026-9 |
| 1977/1978 | 3443 | 千吨 | 2026-9 |
| 1976/1977 | 3630 | 千吨 | 2026-9 |
| 1975/1976 | 3028 | 千吨 | 2026-9 |
| 1974/1975 | 3139 | 千吨 | 2026-9 |
| 1973/1974 | 3335 | 千吨 | 2026-9 |
| 1972/1973 | 3582 | 千吨 | 2026-9 |
| 1971/1972 | 3095 | 千吨 | 2026-9 |
| 1970/1971 | 3196 | 千吨 | 2026-9 |
| 1969/1970 | 2621 | 千吨 | 2026-9 |
| 1968/1969 | 2950 | 千吨 | 2026-9 |
| 1967/1968 | 3529 | 千吨 | 2026-9 |
| 1966/1967 | 3199 | 千吨 | 2026-9 |
| 1965/1966 | 3238 | 千吨 | 2026-9 |
| 1964/1965 | 2270 | 千吨 | 2026-9 |
| 1963/1964 | 2302 | 千吨 | 2026-9 |
| 1962/1963 | 2278 | 千吨 | 2026-9 |
| 1961/1962 | 2154 | 千吨 | 2026-9 |
| 1960/1961 | 2397 | 千吨 | 2026-9 |