| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1290 | 千吨 | 2026-9 |
| 1997/1998 | 1677 | 千吨 | 2026-9 |
| 1996/1997 | 1217 | 千吨 | 2026-9 |
| 1995/1996 | 1431 | 千吨 | 2026-9 |
| 1994/1995 | 1626 | 千吨 | 2026-9 |
| 1993/1994 | 2077 | 千吨 | 2026-9 |
| 1992/1993 | 2322 | 千吨 | 2026-9 |
| 1991/1992 | 3351 | 千吨 | 2026-9 |
| 1990/1991 | 3480 | 千吨 | 2026-9 |
| 1989/1990 | 3202 | 千吨 | 2026-9 |
| 1988/1989 | 2850 | 千吨 | 2026-9 |
| 1987/1988 | 1900 | 千吨 | 2026-9 |
| 1986/1987 | 2500 | 千吨 | 2026-9 |
| 1985/1986 | 2400 | 千吨 | 2026-9 |
| 1984/1985 | 2498 | 千吨 | 2026-9 |
| 1983/1984 | 2393 | 千吨 | 2026-9 |
| 1982/1983 | 3052 | 千吨 | 2026-9 |
| 1981/1982 | 2476 | 千吨 | 2026-9 |
| 1980/1981 | 2426 | 千吨 | 2026-9 |
| 1979/1980 | 2034 | 千吨 | 2026-9 |
| 1978/1979 | 2608 | 千吨 | 2026-9 |
| 1977/1978 | 1882 | 千吨 | 2026-9 |
| 1976/1977 | 1254 | 千吨 | 2026-9 |
| 1975/1976 | 982 | 千吨 | 2026-9 |
| 1974/1975 | 1038 | 千吨 | 2026-9 |
| 1973/1974 | 760 | 千吨 | 2026-9 |
| 1972/1973 | 882 | 千吨 | 2026-9 |
| 1971/1972 | 1147 | 千吨 | 2026-9 |
| 1970/1971 | 875 | 千吨 | 2026-9 |
| 1969/1970 | 712 | 千吨 | 2026-9 |
| 1968/1969 | 590 | 千吨 | 2026-9 |
| 1967/1968 | 531 | 千吨 | 2026-9 |
| 1966/1967 | 471 | 千吨 | 2026-9 |
| 1965/1966 | 485 | 千吨 | 2026-9 |
| 1964/1965 | 348 | 千吨 | 2026-9 |
| 1963/1964 | 351 | 千吨 | 2026-9 |
| 1962/1963 | 414 | 千吨 | 2026-9 |
| 1961/1962 | 468 | 千吨 | 2026-9 |
| 1960/1961 | 405 | 千吨 | 2026-9 |