| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 315 | 千吨 | 2026-9 |
| 1997/1998 | 320 | 千吨 | 2026-9 |
| 1996/1997 | 266 | 千吨 | 2026-9 |
| 1995/1996 | 353 | 千吨 | 2026-9 |
| 1994/1995 | 272 | 千吨 | 2026-9 |
| 1993/1994 | 160 | 千吨 | 2026-9 |
| 1992/1993 | 304 | 千吨 | 2026-9 |
| 1991/1992 | 178 | 千吨 | 2026-9 |
| 1990/1991 | 336 | 千吨 | 2026-9 |
| 1989/1990 | 380 | 千吨 | 2026-9 |
| 1988/1989 | 397 | 千吨 | 2026-9 |
| 1987/1988 | 364 | 千吨 | 2026-9 |
| 1986/1987 | 367 | 千吨 | 2026-9 |
| 1985/1986 | 299 | 千吨 | 2026-9 |
| 1984/1985 | 264 | 千吨 | 2026-9 |
| 1983/1984 | 222 | 千吨 | 2026-9 |
| 1982/1983 | 255 | 千吨 | 2026-9 |
| 1981/1982 | 254 | 千吨 | 2026-9 |
| 1980/1981 | 289 | 千吨 | 2026-9 |
| 1979/1980 | 125 | 千吨 | 2026-9 |
| 1978/1979 | 342 | 千吨 | 2026-9 |
| 1977/1978 | 326 | 千吨 | 2026-9 |
| 1976/1977 | 367 | 千吨 | 2026-9 |
| 1975/1976 | 293 | 千吨 | 2026-9 |
| 1974/1975 | 254 | 千吨 | 2026-9 |
| 1973/1974 | 220 | 千吨 | 2026-9 |
| 1972/1973 | 200 | 千吨 | 2026-9 |
| 1971/1972 | 220 | 千吨 | 2026-9 |
| 1970/1971 | 227 | 千吨 | 2026-9 |
| 1969/1970 | 97 | 千吨 | 2026-9 |
| 1968/1969 | 248 | 千吨 | 2026-9 |
| 1967/1968 | 225 | 千吨 | 2026-9 |
| 1966/1967 | 160 | 千吨 | 2026-9 |
| 1965/1966 | 162 | 千吨 | 2026-9 |
| 1964/1965 | 112 | 千吨 | 2026-9 |