| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 363 | 千吨 | 2026-9 |
| 1997/1998 | 369 | 千吨 | 2026-9 |
| 1996/1997 | 364 | 千吨 | 2026-9 |
| 1995/1996 | 321 | 千吨 | 2026-9 |
| 1994/1995 | 235 | 千吨 | 2026-9 |
| 1993/1994 | 91 | 千吨 | 2026-9 |
| 1992/1993 | 198 | 千吨 | 2026-9 |
| 1991/1992 | 436 | 千吨 | 2026-9 |
| 1990/1991 | 454 | 千吨 | 2026-9 |
| 1989/1990 | 286 | 千吨 | 2026-9 |
| 1988/1989 | 295 | 千吨 | 2026-9 |
| 1987/1988 | 523 | 千吨 | 2026-9 |
| 1986/1987 | 589 | 千吨 | 2026-9 |
| 1985/1986 | 481 | 千吨 | 2026-9 |
| 1984/1985 | 498 | 千吨 | 2026-9 |
| 1983/1984 | 560 | 千吨 | 2026-9 |
| 1982/1983 | 479 | 千吨 | 2026-9 |
| 1981/1982 | 774 | 千吨 | 2026-9 |
| 1980/1981 | 43 | 千吨 | 2026-9 |
| 1979/1980 | 429 | 千吨 | 2026-9 |
| 1978/1979 | 767 | 千吨 | 2026-9 |
| 1977/1978 | 632 | 千吨 | 2026-9 |
| 1976/1977 | 170 | 千吨 | 2026-9 |
| 1975/1976 | 319 | 千吨 | 2026-9 |
| 1974/1975 | 670 | 千吨 | 2026-9 |
| 1973/1974 | 327 | 千吨 | 2026-9 |
| 1972/1973 | 299 | 千吨 | 2026-9 |
| 1971/1972 | 575 | 千吨 | 2026-9 |
| 1970/1971 | 431 | 千吨 | 2026-9 |
| 1969/1970 | 430 | 千吨 | 2026-9 |
| 1968/1969 | 287 | 千吨 | 2026-9 |
| 1967/1968 | 409 | 千吨 | 2026-9 |
| 1966/1967 | 315 | 千吨 | 2026-9 |
| 1965/1966 | 177 | 千吨 | 2026-9 |
| 1964/1965 | 256 | 千吨 | 2026-9 |
| 1963/1964 | 194 | 千吨 | 2026-9 |
| 1962/1963 | 257 | 千吨 | 2026-9 |
| 1961/1962 | 296 | 千吨 | 2026-9 |
| 1960/1961 | 278 | 千吨 | 2026-9 |