| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 30.45 | 千吨 | 2026-9 |
| 1997/1998 | 29 | 千吨 | 2026-9 |
| 1996/1997 | 27.55 | 千吨 | 2026-9 |
| 1995/1996 | 55.1 | 千吨 | 2026-9 |
| 1994/1995 | 75.4 | 千吨 | 2026-9 |
| 1993/1994 | 75.4 | 千吨 | 2026-9 |
| 1992/1993 | 75.4 | 千吨 | 2026-9 |
| 1991/1992 | 52.2 | 千吨 | 2026-9 |
| 1990/1991 | 43.5 | 千吨 | 2026-9 |
| 1989/1990 | 92.8 | 千吨 | 2026-9 |
| 1988/1989 | 126.15 | 千吨 | 2026-9 |
| 1987/1988 | 131.95 | 千吨 | 2026-9 |
| 1986/1987 | 140.65 | 千吨 | 2026-9 |
| 1985/1986 | 123.25 | 千吨 | 2026-9 |
| 1984/1985 | 114.55 | 千吨 | 2026-9 |
| 1983/1984 | 114.55 | 千吨 | 2026-9 |
| 1982/1983 | 105.85 | 千吨 | 2026-9 |
| 1981/1982 | 78.3 | 千吨 | 2026-9 |
| 1980/1981 | 113.1 | 千吨 | 2026-9 |
| 1979/1980 | 229.1 | 千吨 | 2026-9 |
| 1978/1979 | 336.4 | 千吨 | 2026-9 |
| 1977/1978 | 284.2 | 千吨 | 2026-9 |
| 1976/1977 | 250.85 | 千吨 | 2026-9 |
| 1975/1976 | 229.1 | 千吨 | 2026-9 |
| 1974/1975 | 275.5 | 千吨 | 2026-9 |
| 1973/1974 | 300.15 | 千吨 | 2026-9 |
| 1972/1973 | 252.3 | 千吨 | 2026-9 |
| 1971/1972 | 294.35 | 千吨 | 2026-9 |
| 1970/1971 | 239.25 | 千吨 | 2026-9 |
| 1969/1970 | 223.3 | 千吨 | 2026-9 |
| 1968/1969 | 216.05 | 千吨 | 2026-9 |
| 1967/1968 | 192.85 | 千吨 | 2026-9 |
| 1966/1967 | 153.7 | 千吨 | 2026-9 |
| 1965/1966 | 126.15 | 千吨 | 2026-9 |
| 1964/1965 | 113.1 | 千吨 | 2026-9 |