| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 238.786 | 千吨 | 2026-9 |
| 1997/1998 | 153.41 | 千吨 | 2026-9 |
| 1996/1997 | 180.09 | 千吨 | 2026-9 |
| 1995/1996 | 156.745 | 千吨 | 2026-9 |
| 1994/1995 | 150.075 | 千吨 | 2026-9 |
| 1993/1994 | 125.396 | 千吨 | 2026-9 |
| 1992/1993 | 188.761 | 千吨 | 2026-9 |
| 1991/1992 | 184.759 | 千吨 | 2026-9 |
| 1990/1991 | 186.76 | 千吨 | 2026-9 |
| 1989/1990 | 183.425 | 千吨 | 2026-9 |
| 1988/1989 | 166.75 | 千吨 | 2026-9 |
| 1987/1988 | 172.086 | 千吨 | 2026-9 |
| 1986/1987 | 165.416 | 千吨 | 2026-9 |
| 1985/1986 | 150.742 | 千吨 | 2026-9 |
| 1984/1985 | 138.736 | 千吨 | 2026-9 |
| 1983/1984 | 142.071 | 千吨 | 2026-9 |
| 1982/1983 | 125.396 | 千吨 | 2026-9 |
| 1981/1982 | 132.733 | 千吨 | 2026-9 |
| 1980/1981 | 88.044 | 千吨 | 2026-9 |
| 1979/1980 | 67.367 | 千吨 | 2026-9 |
| 1978/1979 | 39.353 | 千吨 | 2026-9 |
| 1977/1978 | 42.021 | 千吨 | 2026-9 |
| 1976/1977 | 36.685 | 千吨 | 2026-9 |
| 1975/1976 | 29.348 | 千吨 | 2026-9 |
| 1974/1975 | 17.342 | 千吨 | 2026-9 |
| 1973/1974 | 24.012 | 千吨 | 2026-9 |
| 1972/1973 | 20.01 | 千吨 | 2026-9 |