| 年度 | 数值 | 单位 | 发布日期 |
| 2003/2004 | 3581 | 千吨 | 2026-9 |
| 2002/2003 | 2717 | 千吨 | 2026-9 |
| 2001/2002 | 3420 | 千吨 | 2026-9 |
| 2000/2001 | 3493 | 千吨 | 2026-9 |
| 1999/2000 | 2870 | 千吨 | 2026-9 |
| 1998/1999 | 2871 | 千吨 | 2026-9 |
| 1997/1998 | 2405 | 千吨 | 2026-9 |
| 1996/1997 | 1876 | 千吨 | 2026-9 |
| 1995/1996 | 1664 | 千吨 | 2026-9 |
| 1994/1995 | 3004 | 千吨 | 2026-9 |
| 1993/1994 | 2648 | 千吨 | 2026-9 |
| 1992/1993 | 2377 | 千吨 | 2026-9 |
| 1991/1992 | 2972 | 千吨 | 2026-9 |
| 1990/1991 | 2510 | 千吨 | 2026-9 |
| 1989/1990 | 2770 | 千吨 | 2026-9 |
| 1988/1989 | 1596 | 千吨 | 2026-9 |
| 1987/1988 | 1714 | 千吨 | 2026-9 |
| 1986/1987 | 1990 | 千吨 | 2026-9 |
| 1985/1986 | 2247 | 千吨 | 2026-9 |
| 1984/1985 | 1871 | 千吨 | 2026-9 |
| 1983/1984 | 3910 | 千吨 | 2026-9 |
| 1982/1983 | 3948 | 千吨 | 2026-9 |
| 1981/1982 | 2634 | 千吨 | 2026-9 |
| 1980/1981 | 3666 | 千吨 | 2026-9 |
| 1979/1980 | 3350 | 千吨 | 2026-9 |
| 1978/1979 | 3058 | 千吨 | 2026-9 |
| 1977/1978 | 2989 | 千吨 | 2026-9 |
| 1976/1977 | 2866 | 千吨 | 2026-9 |
| 1975/1976 | 2658 | 千吨 | 2026-9 |
| 1974/1975 | 1501 | 千吨 | 2026-9 |
| 1973/1974 | 3330 | 千吨 | 2026-9 |
| 1972/1973 | 4156 | 千吨 | 2026-9 |
| 1971/1972 | 4106 | 千吨 | 2026-9 |
| 1970/1971 | 3509 | 千吨 | 2026-9 |
| 1969/1970 | 3526 | 千吨 | 2026-9 |
| 1968/1969 | 2549 | 千吨 | 2026-9 |
| 1967/1968 | 2838 | 千吨 | 2026-9 |
| 1966/1967 | 2278 | 千吨 | 2026-9 |
| 1965/1966 | 2386 | 千吨 | 2026-9 |
| 1964/1965 | 2367 | 千吨 | 2026-9 |
| 1963/1964 | 1311 | 千吨 | 2026-9 |
| 1962/1963 | 1201 | 千吨 | 2026-9 |
| 1961/1962 | 1900 | 千吨 | 2026-9 |
| 1960/1961 | 1555 | 千吨 | 2026-9 |