| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 0 | 千吨 | 2026-9 |
| 2025/2026 | 0 | 千吨 | 2026-9 |
| 2024/2025 | 0 | 千吨 | 2026-9 |
| 2023/2024 | 0 | 千吨 | 2026-9 |
| 2022/2023 | 0 | 千吨 | 2026-9 |
| 2021/2022 | 1 | 千吨 | 2026-9 |
| 2020/2021 | 0 | 千吨 | 2026-9 |
| 2019/2020 | 1 | 千吨 | 2026-9 |
| 2018/2019 | 2 | 千吨 | 2026-9 |
| 2017/2018 | 53 | 千吨 | 2026-9 |
| 2016/2017 | 1 | 千吨 | 2026-9 |
| 2015/2016 | 67 | 千吨 | 2026-9 |
| 2014/2015 | 3 | 千吨 | 2026-9 |
| 2013/2014 | 144 | 千吨 | 2026-9 |
| 2012/2013 | 600 | 千吨 | 2026-9 |
| 2011/2012 | 600 | 千吨 | 2026-9 |
| 2010/2011 | 386 | 千吨 | 2026-9 |
| 2009/2010 | 247 | 千吨 | 2026-9 |
| 2008/2009 | 248 | 千吨 | 2026-9 |
| 2007/2008 | 174 | 千吨 | 2026-9 |
| 2006/2007 | 230 | 千吨 | 2026-9 |
| 2005/2006 | 220 | 千吨 | 2026-9 |
| 2004/2005 | 248 | 千吨 | 2026-9 |
| 2003/2004 | 266 | 千吨 | 2026-9 |
| 2002/2003 | 280 | 千吨 | 2026-9 |
| 2001/2002 | 212 | 千吨 | 2026-9 |
| 2000/2001 | 213 | 千吨 | 2026-9 |
| 1999/2000 | 194 | 千吨 | 2026-9 |
| 1998/1999 | 289 | 千吨 | 2026-9 |
| 1997/1998 | 380 | 千吨 | 2026-9 |
| 1996/1997 | 483 | 千吨 | 2026-9 |
| 1995/1996 | 644 | 千吨 | 2026-9 |
| 1994/1995 | 680 | 千吨 | 2026-9 |
| 1993/1994 | 706 | 千吨 | 2026-9 |
| 1992/1993 | 761 | 千吨 | 2026-9 |
| 1991/1992 | 743 | 千吨 | 2026-9 |
| 1990/1991 | 760 | 千吨 | 2026-9 |
| 1989/1990 | 700 | 千吨 | 2026-9 |
| 1988/1989 | 732 | 千吨 | 2026-9 |
| 1987/1988 | 738 | 千吨 | 2026-9 |
| 1986/1987 | 570 | 千吨 | 2026-9 |
| 1985/1986 | 686 | 千吨 | 2026-9 |
| 1984/1985 | 655 | 千吨 | 2026-9 |
| 1983/1984 | 635 | 千吨 | 2026-9 |
| 1982/1983 | 658 | 千吨 | 2026-9 |
| 1981/1982 | 673 | 千吨 | 2026-9 |
| 1980/1981 | 511 | 千吨 | 2026-9 |
| 1979/1980 | 530 | 千吨 | 2026-9 |
| 1978/1979 | 520 | 千吨 | 2026-9 |
| 1977/1978 | 190 | 千吨 | 2026-9 |
| 1976/1977 | 430 | 千吨 | 2026-9 |
| 1975/1976 | 426 | 千吨 | 2026-9 |
| 1974/1975 | 319 | 千吨 | 2026-9 |
| 1973/1974 | 392 | 千吨 | 2026-9 |
| 1972/1973 | 258 | 千吨 | 2026-9 |
| 1971/1972 | 188 | 千吨 | 2026-9 |
| 1970/1971 | 170 | 千吨 | 2026-9 |
| 1969/1970 | 102 | 千吨 | 2026-9 |
| 1968/1969 | 99 | 千吨 | 2026-9 |
| 1967/1968 | 90 | 千吨 | 2026-9 |
| 1966/1967 | 59 | 千吨 | 2026-9 |
| 1965/1966 | 70 | 千吨 | 2026-9 |
| 1964/1965 | 57 | 千吨 | 2026-9 |
| 1963/1964 | 19 | 千吨 | 2026-9 |
| 1962/1963 | 8 | 千吨 | 2026-9 |
| 1961/1962 | 13 | 千吨 | 2026-9 |