| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 2530 | 千吨 | 2026-9 |
| 1997/1998 | 2528 | 千吨 | 2026-9 |
| 1996/1997 | 2425 | 千吨 | 2026-9 |
| 1995/1996 | 2772 | 千吨 | 2026-9 |
| 1994/1995 | 3612 | 千吨 | 2026-9 |
| 1993/1994 | 3489 | 千吨 | 2026-9 |
| 1992/1993 | 3261 | 千吨 | 2026-9 |
| 1991/1992 | 4446 | 千吨 | 2026-9 |
| 1990/1991 | 5245 | 千吨 | 2026-9 |
| 1989/1990 | 5002 | 千吨 | 2026-9 |
| 1988/1989 | 4291 | 千吨 | 2026-9 |
| 1987/1988 | 4349 | 千吨 | 2026-9 |
| 1986/1987 | 3637 | 千吨 | 2026-9 |
| 1985/1986 | 2779 | 千吨 | 2026-9 |
| 1984/1985 | 4536 | 千吨 | 2026-9 |
| 1983/1984 | 3700 | 千吨 | 2026-9 |
| 1982/1983 | 3913 | 千吨 | 2026-9 |
| 1981/1982 | 3848 | 千吨 | 2026-9 |
| 1980/1981 | 3553 | 千吨 | 2026-9 |
| 1979/1980 | 2876 | 千吨 | 2026-9 |
| 1978/1979 | 3449 | 千吨 | 2026-9 |
| 1977/1978 | 3242 | 千吨 | 2026-9 |
| 1976/1977 | 3359 | 千吨 | 2026-9 |
| 1975/1976 | 2775 | 千吨 | 2026-9 |
| 1974/1975 | 3026 | 千吨 | 2026-9 |
| 1973/1974 | 3196 | 千吨 | 2026-9 |
| 1972/1973 | 3362 | 千吨 | 2026-9 |
| 1971/1972 | 2586 | 千吨 | 2026-9 |
| 1970/1971 | 2872 | 千吨 | 2026-9 |
| 1969/1970 | 2406 | 千吨 | 2026-9 |
| 1968/1969 | 2712 | 千吨 | 2026-9 |
| 1967/1968 | 3157 | 千吨 | 2026-9 |
| 1966/1967 | 2661 | 千吨 | 2026-9 |
| 1965/1966 | 2838 | 千吨 | 2026-9 |
| 1964/1965 | 2260 | 千吨 | 2026-9 |
| 1963/1964 | 2295 | 千吨 | 2026-9 |
| 1962/1963 | 2250 | 千吨 | 2026-9 |
| 1961/1962 | 2152 | 千吨 | 2026-9 |
| 1960/1961 | 2387 | 千吨 | 2026-9 |