| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 3612 | 千吨 | 2026-9 |
| 1997/1998 | 3866 | 千吨 | 2026-9 |
| 1996/1997 | 3437 | 千吨 | 2026-9 |
| 1995/1996 | 3278 | 千吨 | 2026-9 |
| 1994/1995 | 2686 | 千吨 | 2026-9 |
| 1993/1994 | 3300 | 千吨 | 2026-9 |
| 1992/1993 | 2819 | 千吨 | 2026-9 |
| 1991/1992 | 4257 | 千吨 | 2026-9 |
| 1990/1991 | 4217 | 千吨 | 2026-9 |
| 1989/1990 | 3909 | 千吨 | 2026-9 |
| 1988/1989 | 3804 | 千吨 | 2026-9 |
| 1987/1988 | 4335 | 千吨 | 2026-9 |
| 1986/1987 | 4412 | 千吨 | 2026-9 |
| 1985/1986 | 4086 | 千吨 | 2026-9 |
| 1984/1985 | 3555 | 千吨 | 2026-9 |
| 1983/1984 | 3262 | 千吨 | 2026-9 |
| 1982/1983 | 3647 | 千吨 | 2026-9 |
| 1981/1982 | 3540 | 千吨 | 2026-9 |
| 1980/1981 | 3419 | 千吨 | 2026-9 |
| 1979/1980 | 3731 | 千吨 | 2026-9 |
| 1978/1979 | 3636 | 千吨 | 2026-9 |
| 1977/1978 | 3396 | 千吨 | 2026-9 |
| 1976/1977 | 3617 | 千吨 | 2026-9 |
| 1975/1976 | 3638 | 千吨 | 2026-9 |
| 1974/1975 | 3908 | 千吨 | 2026-9 |
| 1973/1974 | 3158 | 千吨 | 2026-9 |
| 1972/1973 | 2750 | 千吨 | 2026-9 |
| 1971/1972 | 2450 | 千吨 | 2026-9 |
| 1970/1971 | 2149 | 千吨 | 2026-9 |
| 1969/1970 | 1948 | 千吨 | 2026-9 |
| 1968/1969 | 1478 | 千吨 | 2026-9 |
| 1967/1968 | 1394 | 千吨 | 2026-9 |
| 1966/1967 | 1398 | 千吨 | 2026-9 |
| 1965/1966 | 1445 | 千吨 | 2026-9 |
| 1964/1965 | 1261 | 千吨 | 2026-9 |
| 1963/1964 | 1479 | 千吨 | 2026-9 |
| 1962/1963 | 1315 | 千吨 | 2026-9 |
| 1961/1962 | 1339 | 千吨 | 2026-9 |
| 1960/1961 | 1310 | 千吨 | 2026-9 |