| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 5632 | 千吨 | 2026-9 |
| 1997/1998 | 5250 | 千吨 | 2026-9 |
| 1996/1997 | 4950 | 千吨 | 2026-9 |
| 1995/1996 | 4800 | 千吨 | 2026-9 |
| 1994/1995 | 4200 | 千吨 | 2026-9 |
| 1993/1994 | 4400 | 千吨 | 2026-9 |
| 1992/1993 | 3700 | 千吨 | 2026-9 |
| 1991/1992 | 3100 | 千吨 | 2026-9 |
| 1990/1991 | 3256 | 千吨 | 2026-9 |
| 1989/1990 | 3162 | 千吨 | 2026-9 |
| 1988/1989 | 2800 | 千吨 | 2026-9 |
| 1987/1988 | 2780 | 千吨 | 2026-9 |
| 1986/1987 | 2886 | 千吨 | 2026-9 |
| 1985/1986 | 2397 | 千吨 | 2026-9 |
| 1984/1985 | 2236 | 千吨 | 2026-9 |
| 1983/1984 | 2101 | 千吨 | 2026-9 |
| 1982/1983 | 2201 | 千吨 | 2026-9 |
| 1981/1982 | 2000 | 千吨 | 2026-9 |
| 1980/1981 | 1468 | 千吨 | 2026-9 |
| 1979/1980 | 1826 | 千吨 | 2026-9 |
| 1978/1979 | 1750 | 千吨 | 2026-9 |
| 1977/1978 | 1650 | 千吨 | 2026-9 |
| 1976/1977 | 1550 | 千吨 | 2026-9 |
| 1975/1976 | 1264 | 千吨 | 2026-9 |
| 1974/1975 | 1420 | 千吨 | 2026-9 |
| 1973/1974 | 1189 | 千吨 | 2026-9 |
| 1972/1973 | 939 | 千吨 | 2026-9 |
| 1971/1972 | 783 | 千吨 | 2026-9 |
| 1970/1971 | 696 | 千吨 | 2026-9 |
| 1969/1970 | 535 | 千吨 | 2026-9 |
| 1968/1969 | 497 | 千吨 | 2026-9 |
| 1967/1968 | 464 | 千吨 | 2026-9 |
| 1966/1967 | 447 | 千吨 | 2026-9 |
| 1965/1966 | 421 | 千吨 | 2026-9 |
| 1964/1965 | 382 | 千吨 | 2026-9 |
| 1963/1964 | 431 | 千吨 | 2026-9 |
| 1962/1963 | 353 | 千吨 | 2026-9 |
| 1961/1962 | 400 | 千吨 | 2026-9 |
| 1960/1961 | 351 | 千吨 | 2026-9 |