| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 20 | 千吨 | 2026-9 |
| 2025/2026 | 19 | 千吨 | 2026-9 |
| 2024/2025 | 20 | 千吨 | 2026-9 |
| 2023/2024 | 42 | 千吨 | 2026-9 |
| 2022/2023 | 88 | 千吨 | 2026-9 |
| 2021/2022 | 64 | 千吨 | 2026-9 |
| 2020/2021 | 70 | 千吨 | 2026-9 |
| 2019/2020 | 32 | 千吨 | 2026-9 |
| 2018/2019 | 35 | 千吨 | 2026-9 |
| 2017/2018 | 39 | 千吨 | 2026-9 |
| 2016/2017 | 50 | 千吨 | 2026-9 |
| 2015/2016 | 36 | 千吨 | 2026-9 |
| 2014/2015 | 60 | 千吨 | 2026-9 |
| 2013/2014 | 72 | 千吨 | 2026-9 |
| 2012/2013 | 174 | 千吨 | 2026-9 |
| 2011/2012 | 102 | 千吨 | 2026-9 |
| 2010/2011 | 162 | 千吨 | 2026-9 |
| 2009/2010 | 183 | 千吨 | 2026-9 |
| 2008/2009 | 202 | 千吨 | 2026-9 |
| 2007/2008 | 205 | 千吨 | 2026-9 |
| 2006/2007 | 176 | 千吨 | 2026-9 |
| 2005/2006 | 182 | 千吨 | 2026-9 |
| 2004/2005 | 200 | 千吨 | 2026-9 |
| 2003/2004 | 206 | 千吨 | 2026-9 |
| 2002/2003 | 211 | 千吨 | 2026-9 |
| 2001/2002 | 177 | 千吨 | 2026-9 |
| 2000/2001 | 177 | 千吨 | 2026-9 |
| 1999/2000 | 335 | 千吨 | 2026-9 |
| 1998/1999 | 280 | 千吨 | 2026-9 |
| 1997/1998 | 230 | 千吨 | 2026-9 |
| 1996/1997 | 829 | 千吨 | 2026-9 |
| 1995/1996 | 829 | 千吨 | 2026-9 |
| 1994/1995 | 829 | 千吨 | 2026-9 |
| 1993/1994 | 829 | 千吨 | 2026-9 |
| 1992/1993 | 797 | 千吨 | 2026-9 |
| 1991/1992 | 755 | 千吨 | 2026-9 |
| 1990/1991 | 700 | 千吨 | 2026-9 |
| 1989/1990 | 700 | 千吨 | 2026-9 |
| 1988/1989 | 685 | 千吨 | 2026-9 |
| 1987/1988 | 515 | 千吨 | 2026-9 |
| 1986/1987 | 563 | 千吨 | 2026-9 |
| 1985/1986 | 719 | 千吨 | 2026-9 |
| 1984/1985 | 977 | 千吨 | 2026-9 |
| 1983/1984 | 608 | 千吨 | 2026-9 |
| 1982/1983 | 420 | 千吨 | 2026-9 |
| 1981/1982 | 502 | 千吨 | 2026-9 |
| 1980/1981 | 423 | 千吨 | 2026-9 |
| 1979/1980 | 679 | 千吨 | 2026-9 |
| 1978/1979 | 492 | 千吨 | 2026-9 |
| 1977/1978 | 298 | 千吨 | 2026-9 |
| 1976/1977 | 277 | 千吨 | 2026-9 |
| 1975/1976 | 178 | 千吨 | 2026-9 |
| 1974/1975 | 140 | 千吨 | 2026-9 |
| 1973/1974 | 218 | 千吨 | 2026-9 |
| 1972/1973 | 224 | 千吨 | 2026-9 |
| 1971/1972 | 213 | 千吨 | 2026-9 |
| 1970/1971 | 194 | 千吨 | 2026-9 |
| 1969/1970 | 133 | 千吨 | 2026-9 |
| 1968/1969 | 113 | 千吨 | 2026-9 |
| 1967/1968 | 91 | 千吨 | 2026-9 |
| 1966/1967 | 63 | 千吨 | 2026-9 |
| 1965/1966 | 56 | 千吨 | 2026-9 |
| 1964/1965 | 48 | 千吨 | 2026-9 |