| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2003/2004 | 0 | 千吨 | 2026-9 |
| 2002/2003 | 979 | 千吨 | 2026-9 |
| 2001/2002 | 881 | 千吨 | 2026-9 |
| 2000/2001 | 899 | 千吨 | 2026-9 |
| 1999/2000 | 832 | 千吨 | 2026-9 |
| 1998/1999 | 781 | 千吨 | 2026-9 |
| 1997/1998 | 1049 | 千吨 | 2026-9 |
| 1996/1997 | 1014 | 千吨 | 2026-9 |
| 1995/1996 | 994 | 千吨 | 2026-9 |
| 1994/1995 | 327 | 千吨 | 2026-9 |
| 1993/1994 | 250 | 千吨 | 2026-9 |
| 1992/1993 | 99 | 千吨 | 2026-9 |
| 1991/1992 | 45 | 千吨 | 2026-9 |
| 1990/1991 | 104 | 千吨 | 2026-9 |
| 1989/1990 | 82 | 千吨 | 2026-9 |
| 1988/1989 | 36 | 千吨 | 2026-9 |
| 1987/1988 | 45 | 千吨 | 2026-9 |
| 1986/1987 | 192 | 千吨 | 2026-9 |
| 1985/1986 | 353 | 千吨 | 2026-9 |
| 1984/1985 | 401 | 千吨 | 2026-9 |
| 1983/1984 | 424 | 千吨 | 2026-9 |
| 1982/1983 | 448 | 千吨 | 2026-9 |
| 1981/1982 | 432 | 千吨 | 2026-9 |
| 1980/1981 | 272 | 千吨 | 2026-9 |
| 1979/1980 | 312 | 千吨 | 2026-9 |
| 1978/1979 | 273 | 千吨 | 2026-9 |
| 1977/1978 | 274 | 千吨 | 2026-9 |
| 1976/1977 | 316 | 千吨 | 2026-9 |
| 1975/1976 | 271 | 千吨 | 2026-9 |
| 1974/1975 | 240 | 千吨 | 2026-9 |
| 1973/1974 | 142 | 千吨 | 2026-9 |
| 1972/1973 | 227 | 千吨 | 2026-9 |
| 1971/1972 | 244 | 千吨 | 2026-9 |
| 1970/1971 | 293 | 千吨 | 2026-9 |
| 1969/1970 | 342 | 千吨 | 2026-9 |
| 1968/1969 | 304 | 千吨 | 2026-9 |
| 1967/1968 | 161 | 千吨 | 2026-9 |
| 1966/1967 | 169 | 千吨 | 2026-9 |
| 1965/1966 | 75 | 千吨 | 2026-9 |
| 1964/1965 | 77 | 千吨 | 2026-9 |
| 1963/1964 | 91 | 千吨 | 2026-9 |
| 1962/1963 | 109 | 千吨 | 2026-9 |
| 1961/1962 | 234 | 千吨 | 2026-9 |
| 1960/1961 | 148 | 千吨 | 2026-9 |