| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 3380 | 千吨 | 2026-9 |
| 1997/1998 | 3314 | 千吨 | 2026-9 |
| 1996/1997 | 3294 | 千吨 | 2026-9 |
| 1995/1996 | 3224 | 千吨 | 2026-9 |
| 1994/1995 | 3249 | 千吨 | 2026-9 |
| 1993/1994 | 3158 | 千吨 | 2026-9 |
| 1992/1993 | 3100 | 千吨 | 2026-9 |
| 1991/1992 | 4039 | 千吨 | 2026-9 |
| 1990/1991 | 5185 | 千吨 | 2026-9 |
| 1989/1990 | 5560 | 千吨 | 2026-9 |
| 1988/1989 | 3800 | 千吨 | 2026-9 |
| 1987/1988 | 4250 | 千吨 | 2026-9 |
| 1986/1987 | 4269 | 千吨 | 2026-9 |
| 1985/1986 | 4315 | 千吨 | 2026-9 |
| 1984/1985 | 5088 | 千吨 | 2026-9 |
| 1983/1984 | 3860 | 千吨 | 2026-9 |
| 1982/1983 | 4665 | 千吨 | 2026-9 |
| 1981/1982 | 4375 | 千吨 | 2026-9 |
| 1980/1981 | 4777 | 千吨 | 2026-9 |
| 1979/1980 | 3666 | 千吨 | 2026-9 |
| 1978/1979 | 4220 | 千吨 | 2026-9 |
| 1977/1978 | 4196 | 千吨 | 2026-9 |
| 1976/1977 | 4908 | 千吨 | 2026-9 |
| 1975/1976 | 3383 | 千吨 | 2026-9 |
| 1974/1975 | 3051 | 千吨 | 2026-9 |
| 1973/1974 | 3285 | 千吨 | 2026-9 |
| 1972/1973 | 4248 | 千吨 | 2026-9 |
| 1971/1972 | 4354 | 千吨 | 2026-9 |
| 1970/1971 | 3461 | 千吨 | 2026-9 |
| 1969/1970 | 3595 | 千吨 | 2026-9 |
| 1968/1969 | 3412 | 千吨 | 2026-9 |
| 1967/1968 | 3697 | 千吨 | 2026-9 |
| 1966/1967 | 4157 | 千吨 | 2026-9 |
| 1965/1966 | 3962 | 千吨 | 2026-9 |
| 1964/1965 | 3575 | 千吨 | 2026-9 |
| 1963/1964 | 3629 | 千吨 | 2026-9 |
| 1962/1963 | 3317 | 千吨 | 2026-9 |
| 1961/1962 | 3724 | 千吨 | 2026-9 |
| 1960/1961 | 3303 | 千吨 | 2026-9 |