| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 455 | 千吨 | 2026-9 |
| 2025/2026 | 430 | 千吨 | 2026-9 |
| 2024/2025 | 430 | 千吨 | 2026-9 |
| 2023/2024 | 365 | 千吨 | 2026-9 |
| 2022/2023 | 285 | 千吨 | 2026-9 |
| 2021/2022 | 265 | 千吨 | 2026-9 |
| 2020/2021 | 280 | 千吨 | 2026-9 |
| 2019/2020 | 315 | 千吨 | 2026-9 |
| 2018/2019 | 315 | 千吨 | 2026-9 |
| 2017/2018 | 305 | 千吨 | 2026-9 |
| 2016/2017 | 300 | 千吨 | 2026-9 |
| 2015/2016 | 270 | 千吨 | 2026-9 |
| 2014/2015 | 265 | 千吨 | 2026-9 |
| 2013/2014 | 247 | 千吨 | 2026-9 |
| 2012/2013 | 220 | 千吨 | 2026-9 |
| 2011/2012 | 219 | 千吨 | 2026-9 |
| 2010/2011 | 218 | 千吨 | 2026-9 |
| 2009/2010 | 213 | 千吨 | 2026-9 |
| 2008/2009 | 180 | 千吨 | 2026-9 |
| 2007/2008 | 180 | 千吨 | 2026-9 |
| 2006/2007 | 181 | 千吨 | 2026-9 |
| 2005/2006 | 184 | 千吨 | 2026-9 |
| 2004/2005 | 188 | 千吨 | 2026-9 |
| 2003/2004 | 195 | 千吨 | 2026-9 |
| 2002/2003 | 202 | 千吨 | 2026-9 |
| 2001/2002 | 205 | 千吨 | 2026-9 |
| 2000/2001 | 205 | 千吨 | 2026-9 |
| 1999/2000 | 281 | 千吨 | 2026-9 |
| 1998/1999 | 242 | 千吨 | 2026-9 |
| 1997/1998 | 214 | 千吨 | 2026-9 |
| 1996/1997 | 200 | 千吨 | 2026-9 |
| 1995/1996 | 200 | 千吨 | 2026-9 |
| 1994/1995 | 160 | 千吨 | 2026-9 |
| 1993/1994 | 125 | 千吨 | 2026-9 |
| 1992/1993 | 135 | 千吨 | 2026-9 |
| 1991/1992 | 148 | 千吨 | 2026-9 |
| 1990/1991 | 150 | 千吨 | 2026-9 |
| 1989/1990 | 131 | 千吨 | 2026-9 |
| 1988/1989 | 151 | 千吨 | 2026-9 |
| 1987/1988 | 133 | 千吨 | 2026-9 |
| 1986/1987 | 107 | 千吨 | 2026-9 |
| 1985/1986 | 123 | 千吨 | 2026-9 |
| 1984/1985 | 108 | 千吨 | 2026-9 |
| 1983/1984 | 111 | 千吨 | 2026-9 |
| 1982/1983 | 104 | 千吨 | 2026-9 |
| 1981/1982 | 92 | 千吨 | 2026-9 |
| 1980/1981 | 84 | 千吨 | 2026-9 |
| 1979/1980 | 102 | 千吨 | 2026-9 |
| 1978/1979 | 75 | 千吨 | 2026-9 |
| 1977/1978 | 63 | 千吨 | 2026-9 |
| 1976/1977 | 56 | 千吨 | 2026-9 |
| 1975/1976 | 34 | 千吨 | 2026-9 |
| 1974/1975 | 57 | 千吨 | 2026-9 |
| 1973/1974 | 48 | 千吨 | 2026-9 |
| 1972/1973 | 85 | 千吨 | 2026-9 |
| 1971/1972 | 44 | 千吨 | 2026-9 |
| 1970/1971 | 64 | 千吨 | 2026-9 |
| 1969/1970 | 46 | 千吨 | 2026-9 |
| 1968/1969 | 47 | 千吨 | 2026-9 |
| 1967/1968 | 26 | 千吨 | 2026-9 |
| 1966/1967 | 16 | 千吨 | 2026-9 |
| 1965/1966 | 19 | 千吨 | 2026-9 |
| 1964/1965 | 16 | 千吨 | 2026-9 |