| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 678 | 千吨 | 2026-9 |
| 1997/1998 | 514 | 千吨 | 2026-9 |
| 1996/1997 | 464 | 千吨 | 2026-9 |
| 1995/1996 | 478 | 千吨 | 2026-9 |
| 1994/1995 | 458 | 千吨 | 2026-9 |
| 1993/1994 | 429 | 千吨 | 2026-9 |
| 1992/1993 | 404 | 千吨 | 2026-9 |
| 1991/1992 | 308 | 千吨 | 2026-9 |
| 1990/1991 | 662 | 千吨 | 2026-9 |
| 1989/1990 | 668 | 千吨 | 2026-9 |
| 1988/1989 | 656 | 千吨 | 2026-9 |
| 1987/1988 | 624 | 千吨 | 2026-9 |
| 1986/1987 | 558 | 千吨 | 2026-9 |
| 1985/1986 | 649 | 千吨 | 2026-9 |
| 1984/1985 | 637 | 千吨 | 2026-9 |
| 1983/1984 | 629 | 千吨 | 2026-9 |
| 1982/1983 | 701 | 千吨 | 2026-9 |
| 1981/1982 | 623 | 千吨 | 2026-9 |
| 1980/1981 | 625 | 千吨 | 2026-9 |
| 1979/1980 | 646 | 千吨 | 2026-9 |
| 1978/1979 | 641 | 千吨 | 2026-9 |
| 1977/1978 | 697 | 千吨 | 2026-9 |
| 1976/1977 | 586 | 千吨 | 2026-9 |
| 1975/1976 | 525 | 千吨 | 2026-9 |
| 1974/1975 | 413 | 千吨 | 2026-9 |
| 1973/1974 | 462 | 千吨 | 2026-9 |
| 1972/1973 | 306 | 千吨 | 2026-9 |
| 1971/1972 | 242 | 千吨 | 2026-9 |
| 1970/1971 | 283 | 千吨 | 2026-9 |
| 1969/1970 | 242 | 千吨 | 2026-9 |
| 1968/1969 | 138 | 千吨 | 2026-9 |
| 1967/1968 | 48 | 千吨 | 2026-9 |
| 1966/1967 | 64 | 千吨 | 2026-9 |
| 1965/1966 | 37 | 千吨 | 2026-9 |
| 1964/1965 | 59 | 千吨 | 2026-9 |