| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 232 | 千吨 | 2026-9 |
| 1997/1998 | 265 | 千吨 | 2026-9 |
| 1996/1997 | 303 | 千吨 | 2026-9 |
| 1995/1996 | 305 | 千吨 | 2026-9 |
| 1994/1995 | 425 | 千吨 | 2026-9 |
| 1993/1994 | 312 | 千吨 | 2026-9 |
| 1992/1993 | 312 | 千吨 | 2026-9 |
| 1991/1992 | 447 | 千吨 | 2026-9 |
| 1990/1991 | 600 | 千吨 | 2026-9 |
| 1989/1990 | 1025 | 千吨 | 2026-9 |
| 1988/1989 | 449 | 千吨 | 2026-9 |
| 1987/1988 | 719 | 千吨 | 2026-9 |
| 1986/1987 | 742 | 千吨 | 2026-9 |
| 1985/1986 | 724 | 千吨 | 2026-9 |
| 1984/1985 | 542 | 千吨 | 2026-9 |
| 1983/1984 | 604 | 千吨 | 2026-9 |
| 1982/1983 | 580 | 千吨 | 2026-9 |
| 1981/1982 | 478 | 千吨 | 2026-9 |
| 1980/1981 | 1011 | 千吨 | 2026-9 |
| 1979/1980 | 847 | 千吨 | 2026-9 |
| 1978/1979 | 619 | 千吨 | 2026-9 |
| 1977/1978 | 457 | 千吨 | 2026-9 |
| 1976/1977 | 473 | 千吨 | 2026-9 |
| 1975/1976 | 654 | 千吨 | 2026-9 |
| 1974/1975 | 499 | 千吨 | 2026-9 |
| 1973/1974 | 384 | 千吨 | 2026-9 |
| 1972/1973 | 335 | 千吨 | 2026-9 |
| 1971/1972 | 207 | 千吨 | 2026-9 |
| 1970/1971 | 111 | 千吨 | 2026-9 |
| 1969/1970 | 75 | 千吨 | 2026-9 |
| 1968/1969 | 42 | 千吨 | 2026-9 |
| 1967/1968 | 48 | 千吨 | 2026-9 |
| 1966/1967 | 34 | 千吨 | 2026-9 |
| 1965/1966 | 15 | 千吨 | 2026-9 |
| 1964/1965 | 9 | 千吨 | 2026-9 |