| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 13733 | 千吨 | 2026-9 |
| 1997/1998 | 12408 | 千吨 | 2026-9 |
| 1996/1997 | 6200 | 千吨 | 2026-9 |
| 1995/1996 | 5377 | 千吨 | 2026-9 |
| 1994/1995 | 6916 | 千吨 | 2026-9 |
| 1993/1994 | 10471 | 千吨 | 2026-9 |
| 1992/1993 | 12105 | 千吨 | 2026-9 |
| 1991/1992 | 12884 | 千吨 | 2026-9 |
| 1990/1991 | 8926 | 千吨 | 2026-9 |
| 1989/1990 | 7523 | 千吨 | 2026-9 |
| 1988/1989 | 8607 | 千吨 | 2026-9 |
| 1987/1988 | 7641 | 千吨 | 2026-9 |
| 1986/1987 | 8467 | 千吨 | 2026-9 |
| 1985/1986 | 9222 | 千吨 | 2026-9 |
| 1984/1985 | 6878 | 千吨 | 2026-9 |
| 1983/1984 | 2776 | 千吨 | 2026-9 |
| 1982/1983 | 4547 | 千吨 | 2026-9 |
| 1981/1982 | 3092 | 千吨 | 2026-9 |
| 1980/1981 | 3827 | 千吨 | 2026-9 |
| 1979/1980 | 3710 | 千吨 | 2026-9 |
| 1978/1979 | 4327 | 千吨 | 2026-9 |
| 1977/1978 | 2992 | 千吨 | 2026-9 |
| 1976/1977 | 2939 | 千吨 | 2026-9 |
| 1975/1976 | 4101 | 千吨 | 2026-9 |
| 1974/1975 | 4249 | 千吨 | 2026-9 |
| 1973/1974 | 2394 | 千吨 | 2026-9 |
| 1972/1973 | 2496 | 千吨 | 2026-9 |
| 1971/1972 | 2451 | 千吨 | 2026-9 |
| 1970/1971 | 2672 | 千吨 | 2026-9 |
| 1969/1970 | 2621 | 千吨 | 2026-9 |
| 1968/1969 | 3558 | 千吨 | 2026-9 |
| 1967/1968 | 3663 | 千吨 | 2026-9 |
| 1966/1967 | 2493 | 千吨 | 2026-9 |
| 1965/1966 | 3047 | 千吨 | 2026-9 |
| 1964/1965 | 2452 | 千吨 | 2026-9 |
| 1963/1964 | 2981 | 千吨 | 2026-9 |
| 1962/1963 | 2570 | 千吨 | 2026-9 |
| 1961/1962 | 1806 | 千吨 | 2026-9 |
| 1960/1961 | 2565 | 千吨 | 2026-9 |