| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2003/2004 | 478 | 千吨 | 2026-9 |
| 2002/2003 | 458 | 千吨 | 2026-9 |
| 2001/2002 | 61 | 千吨 | 2026-9 |
| 2000/2001 | 437 | 千吨 | 2026-9 |
| 1999/2000 | 418 | 千吨 | 2026-9 |
| 1998/1999 | 489 | 千吨 | 2026-9 |
| 1997/1998 | 442 | 千吨 | 2026-9 |
| 1996/1997 | 558 | 千吨 | 2026-9 |
| 1995/1996 | 5 | 千吨 | 2026-9 |
| 1994/1995 | 22 | 千吨 | 2026-9 |
| 1993/1994 | 380 | 千吨 | 2026-9 |
| 1992/1993 | 11 | 千吨 | 2026-9 |
| 1991/1992 | 92 | 千吨 | 2026-9 |
| 1990/1991 | 590 | 千吨 | 2026-9 |
| 1989/1990 | 221 | 千吨 | 2026-9 |
| 1988/1989 | 99 | 千吨 | 2026-9 |
| 1987/1988 | 86 | 千吨 | 2026-9 |
| 1986/1987 | 282 | 千吨 | 2026-9 |
| 1985/1986 | 142 | 千吨 | 2026-9 |
| 1984/1985 | 188 | 千吨 | 2026-9 |
| 1983/1984 | 314 | 千吨 | 2026-9 |
| 1982/1983 | 233 | 千吨 | 2026-9 |
| 1981/1982 | 101 | 千吨 | 2026-9 |
| 1980/1981 | 14 | 千吨 | 2026-9 |
| 1979/1980 | 26 | 千吨 | 2026-9 |
| 1978/1979 | 105 | 千吨 | 2026-9 |
| 1977/1978 | 285 | 千吨 | 2026-9 |
| 1976/1977 | 258 | 千吨 | 2026-9 |
| 1975/1976 | 285 | 千吨 | 2026-9 |
| 1974/1975 | 250 | 千吨 | 2026-9 |
| 1973/1974 | 292 | 千吨 | 2026-9 |
| 1972/1973 | 422 | 千吨 | 2026-9 |
| 1971/1972 | 332 | 千吨 | 2026-9 |
| 1970/1971 | 175 | 千吨 | 2026-9 |
| 1969/1970 | 261 | 千吨 | 2026-9 |
| 1968/1969 | 321 | 千吨 | 2026-9 |
| 1967/1968 | 691 | 千吨 | 2026-9 |
| 1966/1967 | 387 | 千吨 | 2026-9 |
| 1965/1966 | 357 | 千吨 | 2026-9 |
| 1964/1965 | 420 | 千吨 | 2026-9 |
| 1963/1964 | 548 | 千吨 | 2026-9 |
| 1962/1963 | 750 | 千吨 | 2026-9 |
| 1961/1962 | 797 | 千吨 | 2026-9 |
| 1960/1961 | 719 | 千吨 | 2026-9 |