| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 4418 | 千吨 | 2026-9 |
| 1997/1998 | 4323 | 千吨 | 2026-9 |
| 1996/1997 | 4045 | 千吨 | 2026-9 |
| 1995/1996 | 4012 | 千吨 | 2026-9 |
| 1994/1995 | 3784 | 千吨 | 2026-9 |
| 1993/1994 | 3640 | 千吨 | 2026-9 |
| 1992/1993 | 3696 | 千吨 | 2026-9 |
| 1991/1992 | 4514 | 千吨 | 2026-9 |
| 1990/1991 | 4350 | 千吨 | 2026-9 |
| 1989/1990 | 4193 | 千吨 | 2026-9 |
| 1988/1989 | 4506 | 千吨 | 2026-9 |
| 1987/1988 | 4829 | 千吨 | 2026-9 |
| 1986/1987 | 4811 | 千吨 | 2026-9 |
| 1985/1986 | 4361 | 千吨 | 2026-9 |
| 1984/1985 | 3869 | 千吨 | 2026-9 |
| 1983/1984 | 3552 | 千吨 | 2026-9 |
| 1982/1983 | 4057 | 千吨 | 2026-9 |
| 1981/1982 | 4052 | 千吨 | 2026-9 |
| 1980/1981 | 4694 | 千吨 | 2026-9 |
| 1979/1980 | 5563 | 千吨 | 2026-9 |
| 1978/1979 | 5970 | 千吨 | 2026-9 |
| 1977/1978 | 5364 | 千吨 | 2026-9 |
| 1976/1977 | 5058 | 千吨 | 2026-9 |
| 1975/1976 | 5100 | 千吨 | 2026-9 |
| 1974/1975 | 5240 | 千吨 | 2026-9 |
| 1973/1974 | 4230 | 千吨 | 2026-9 |
| 1972/1973 | 3549 | 千吨 | 2026-9 |
| 1971/1972 | 4234 | 千吨 | 2026-9 |
| 1970/1971 | 3335 | 千吨 | 2026-9 |
| 1969/1970 | 3263 | 千吨 | 2026-9 |
| 1968/1969 | 2287 | 千吨 | 2026-9 |
| 1967/1968 | 1999 | 千吨 | 2026-9 |
| 1966/1967 | 1691 | 千吨 | 2026-9 |
| 1965/1966 | 2236 | 千吨 | 2026-9 |
| 1964/1965 | 1791 | 千吨 | 2026-9 |
| 1963/1964 | 1816 | 千吨 | 2026-9 |
| 1962/1963 | 1581 | 千吨 | 2026-9 |
| 1961/1962 | 1724 | 千吨 | 2026-9 |
| 1960/1961 | 1734 | 千吨 | 2026-9 |