| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 44125 | 千吨 | 2026-9 |
| 1997/1998 | 39601 | 千吨 | 2026-9 |
| 1996/1997 | 37500 | 千吨 | 2026-9 |
| 1995/1996 | 34745 | 千吨 | 2026-9 |
| 1994/1995 | 31100 | 千吨 | 2026-9 |
| 1993/1994 | 28800 | 千吨 | 2026-9 |
| 1992/1993 | 25024 | 千吨 | 2026-9 |
| 1991/1992 | 24405 | 千吨 | 2026-9 |
| 1990/1991 | 26121 | 千吨 | 2026-9 |
| 1989/1990 | 24690 | 千吨 | 2026-9 |
| 1988/1989 | 25581 | 千吨 | 2026-9 |
| 1987/1988 | 27335 | 千吨 | 2026-9 |
| 1986/1987 | 26019 | 千吨 | 2026-9 |
| 1985/1986 | 27290 | 千吨 | 2026-9 |
| 1984/1985 | 27329 | 千吨 | 2026-9 |
| 1983/1984 | 24677 | 千吨 | 2026-9 |
| 1982/1983 | 18418 | 千吨 | 2026-9 |
| 1981/1982 | 16193 | 千吨 | 2026-9 |
| 1980/1981 | 15953 | 千吨 | 2026-9 |
| 1979/1980 | 16126 | 千吨 | 2026-9 |
| 1978/1979 | 14902 | 千吨 | 2026-9 |
| 1977/1978 | 13819 | 千吨 | 2026-9 |
| 1976/1977 | 14411 | 千吨 | 2026-9 |
| 1975/1976 | 11599 | 千吨 | 2026-9 |
| 1974/1975 | 15946 | 千吨 | 2026-9 |
| 1973/1974 | 14224 | 千吨 | 2026-9 |
| 1972/1973 | 17899 | 千吨 | 2026-9 |
| 1971/1972 | 16337 | 千吨 | 2026-9 |
| 1970/1971 | 16872 | 千吨 | 2026-9 |
| 1969/1970 | 15910 | 千吨 | 2026-9 |
| 1968/1969 | 13939 | 千吨 | 2026-9 |
| 1967/1968 | 12021 | 千吨 | 2026-9 |
| 1966/1967 | 10849 | 千吨 | 2026-9 |
| 1965/1966 | 10908 | 千吨 | 2026-9 |
| 1964/1965 | 10376 | 千吨 | 2026-9 |
| 1963/1964 | 9286 | 千吨 | 2026-9 |
| 1962/1963 | 10039 | 千吨 | 2026-9 |
| 1961/1962 | 8942 | 千吨 | 2026-9 |
| 1960/1961 | 9501 | 千吨 | 2026-9 |