| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 4383 | 千吨 | 2026-9 |
| 1997/1998 | 4800 | 千吨 | 2026-9 |
| 1996/1997 | 5000 | 千吨 | 2026-9 |
| 1995/1996 | 4419 | 千吨 | 2026-9 |
| 1994/1995 | 4683 | 千吨 | 2026-9 |
| 1993/1994 | 4780 | 千吨 | 2026-9 |
| 1992/1993 | 4486 | 千吨 | 2026-9 |
| 1991/1992 | 5307 | 千吨 | 2026-9 |
| 1990/1991 | 5695 | 千吨 | 2026-9 |
| 1989/1990 | 6023 | 千吨 | 2026-9 |
| 1988/1989 | 6861 | 千吨 | 2026-9 |
| 1987/1988 | 7179 | 千吨 | 2026-9 |
| 1986/1987 | 7958 | 千吨 | 2026-9 |
| 1985/1986 | 9801 | 千吨 | 2026-9 |
| 1984/1985 | 8853 | 千吨 | 2026-9 |
| 1983/1984 | 7985 | 千吨 | 2026-9 |
| 1982/1983 | 10040 | 千吨 | 2026-9 |
| 1981/1982 | 9314 | 千吨 | 2026-9 |
| 1980/1981 | 9723 | 千吨 | 2026-9 |
| 1979/1980 | 10187 | 千吨 | 2026-9 |
| 1978/1979 | 10725 | 千吨 | 2026-9 |
| 1977/1978 | 8936 | 千吨 | 2026-9 |
| 1976/1977 | 9143 | 千吨 | 2026-9 |
| 1975/1976 | 11044 | 千吨 | 2026-9 |
| 1974/1975 | 11382 | 千吨 | 2026-9 |
| 1973/1974 | 10967 | 千吨 | 2026-9 |
| 1972/1973 | 11656 | 千吨 | 2026-9 |
| 1971/1972 | 11867 | 千吨 | 2026-9 |
| 1970/1971 | 11168 | 千吨 | 2026-9 |
| 1969/1970 | 11938 | 千吨 | 2026-9 |
| 1968/1969 | 12226 | 千吨 | 2026-9 |
| 1967/1968 | 12405 | 千吨 | 2026-9 |
| 1966/1967 | 11195 | 千吨 | 2026-9 |
| 1965/1966 | 11409 | 千吨 | 2026-9 |
| 1964/1965 | 11555 | 千吨 | 2026-9 |
| 1963/1964 | 11076 | 千吨 | 2026-9 |
| 1962/1963 | 12133 | 千吨 | 2026-9 |
| 1961/1962 | 12383 | 千吨 | 2026-9 |
| 1960/1961 | 12719 | 千吨 | 2026-9 |