| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1495 | 千吨 | 2026-9 |
| 1997/1998 | 1665 | 千吨 | 2026-9 |
| 1996/1997 | 1666 | 千吨 | 2026-9 |
| 1995/1996 | 1536 | 千吨 | 2026-9 |
| 1994/1995 | 1303 | 千吨 | 2026-9 |
| 1993/1994 | 1550 | 千吨 | 2026-9 |
| 1992/1993 | 1300 | 千吨 | 2026-9 |
| 1991/1992 | 1943 | 千吨 | 2026-9 |
| 1990/1991 | 2205 | 千吨 | 2026-9 |
| 1989/1990 | 2306 | 千吨 | 2026-9 |
| 1988/1989 | 2423 | 千吨 | 2026-9 |
| 1987/1988 | 2569 | 千吨 | 2026-9 |
| 1986/1987 | 2627 | 千吨 | 2026-9 |
| 1985/1986 | 2823 | 千吨 | 2026-9 |
| 1984/1985 | 2738 | 千吨 | 2026-9 |
| 1983/1984 | 2490 | 千吨 | 2026-9 |
| 1982/1983 | 2683 | 千吨 | 2026-9 |
| 1981/1982 | 2807 | 千吨 | 2026-9 |
| 1980/1981 | 2395 | 千吨 | 2026-9 |
| 1979/1980 | 2414 | 千吨 | 2026-9 |
| 1978/1979 | 2740 | 千吨 | 2026-9 |
| 1977/1978 | 2836 | 千吨 | 2026-9 |
| 1976/1977 | 2814 | 千吨 | 2026-9 |
| 1975/1976 | 3052 | 千吨 | 2026-9 |
| 1974/1975 | 3540 | 千吨 | 2026-9 |
| 1973/1974 | 3427 | 千吨 | 2026-9 |
| 1972/1973 | 3464 | 千吨 | 2026-9 |
| 1971/1972 | 3302 | 千吨 | 2026-9 |
| 1970/1971 | 3410 | 千吨 | 2026-9 |
| 1969/1970 | 3334 | 千吨 | 2026-9 |
| 1968/1969 | 3033 | 千吨 | 2026-9 |
| 1967/1968 | 2870 | 千吨 | 2026-9 |
| 1966/1967 | 2665 | 千吨 | 2026-9 |
| 1965/1966 | 2550 | 千吨 | 2026-9 |
| 1964/1965 | 2505 | 千吨 | 2026-9 |
| 1963/1964 | 3028 | 千吨 | 2026-9 |
| 1962/1963 | 2910 | 千吨 | 2026-9 |
| 1961/1962 | 3105 | 千吨 | 2026-9 |
| 1960/1961 | 2924 | 千吨 | 2026-9 |