| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 38.084 | 千吨 | 2026-9 |
| 2025/2026 | 34.033 | 千吨 | 2026-9 |
| 2024/2025 | 29.171 | 千吨 | 2026-9 |
| 2023/2024 | 35.653 | 千吨 | 2026-9 |
| 2022/2023 | 52.67 | 千吨 | 2026-9 |
| 2021/2022 | 50.239 | 千吨 | 2026-9 |
| 2020/2021 | 21.878 | 千吨 | 2026-9 |
| 2019/2020 | 38.894 | 千吨 | 2026-9 |
| 2018/2019 | 38.084 | 千吨 | 2026-9 |
| 2017/2018 | 46.187 | 千吨 | 2026-9 |
| 2016/2017 | 9.724 | 千吨 | 2026-9 |
| 2015/2016 | 12.965 | 千吨 | 2026-9 |
| 2014/2015 | 7.293 | 千吨 | 2026-9 |
| 2013/2014 | 48.618 | 千吨 | 2026-9 |
| 2012/2013 | 14.585 | 千吨 | 2026-9 |
| 2011/2012 | 15.396 | 千吨 | 2026-9 |
| 2010/2011 | 36.464 | 千吨 | 2026-9 |
| 2009/2010 | 33.222 | 千吨 | 2026-9 |
| 2008/2009 | 19.447 | 千吨 | 2026-9 |
| 2007/2008 | 9.724 | 千吨 | 2026-9 |
| 2006/2007 | 14.585 | 千吨 | 2026-9 |
| 2005/2006 | 12.155 | 千吨 | 2026-9 |
| 2004/2005 | 16.206 | 千吨 | 2026-9 |
| 2003/2004 | 18.637 | 千吨 | 2026-9 |
| 2002/2003 | 14.585 | 千吨 | 2026-9 |
| 2001/2002 | 12.155 | 千吨 | 2026-9 |
| 2000/2001 | 11.344 | 千吨 | 2026-9 |
| 1999/2000 | 9.724 | 千吨 | 2026-9 |
| 1998/1999 | 9.724 | 千吨 | 2026-9 |
| 1997/1998 | 6.482 | 千吨 | 2026-9 |
| 1996/1997 | 5.672 | 千吨 | 2026-9 |
| 1995/1996 | 5.672 | 千吨 | 2026-9 |
| 1994/1995 | 5.672 | 千吨 | 2026-9 |
| 1993/1994 | 8.103 | 千吨 | 2026-9 |
| 1992/1993 | 4.052 | 千吨 | 2026-9 |
| 1991/1992 | 1.621 | 千吨 | 2026-9 |
| 1990/1991 | 2.431 | 千吨 | 2026-9 |
| 1989/1990 | 1.621 | 千吨 | 2026-9 |
| 1988/1989 | 0.81 | 千吨 | 2026-9 |
| 1987/1988 | 12.155 | 千吨 | 2026-9 |
| 1986/1987 | 3.241 | 千吨 | 2026-9 |
| 1985/1986 | 40.515 | 千吨 | 2026-9 |
| 1984/1985 | 74.548 | 千吨 | 2026-9 |
| 1983/1984 | 46.187 | 千吨 | 2026-9 |
| 1982/1983 | 12.155 | 千吨 | 2026-9 |
| 1981/1982 | 12.155 | 千吨 | 2026-9 |
| 1980/1981 | 4.052 | 千吨 | 2026-9 |
| 1979/1980 | 0 | 千吨 | 2026-9 |
| 1978/1979 | 6.482 | 千吨 | 2026-9 |
| 1977/1978 | 11.344 | 千吨 | 2026-9 |
| 1976/1977 | 12.155 | 千吨 | 2026-9 |
| 1975/1976 | 7.293 | 千吨 | 2026-9 |
| 1974/1975 | 16.206 | 千吨 | 2026-9 |
| 1973/1974 | 51.049 | 千吨 | 2026-9 |
| 1972/1973 | 39.705 | 千吨 | 2026-9 |
| 1971/1972 | 29.981 | 千吨 | 2026-9 |
| 1970/1971 | 0 | 千吨 | 2026-9 |
| 1969/1970 | 18.637 | 千吨 | 2026-9 |