| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 100 | 百分比 | 2026-9 |
| 2025/2026 | 0 | 百分比 | 2026-9 |
| 2024/2025 | 0 | 百分比 | 2026-9 |
| 2023/2024 | 100 | 百分比 | 2026-9 |
| 2022/2023 | 50 | 百分比 | 2026-9 |
| 2021/2022 | 33.33 | 百分比 | 2026-9 |
| 2020/2021 | 50 | 百分比 | 2026-9 |
| 2019/2020 | 33.33 | 百分比 | 2026-9 |
| 2018/2019 | 50 | 百分比 | 2026-9 |
| 2017/2018 | 50 | 百分比 | 2026-9 |
| 2016/2017 | 16.67 | 百分比 | 2026-9 |
| 2015/2016 | 26.67 | 百分比 | 2026-9 |
| 2014/2015 | 20 | 百分比 | 2026-9 |
| 2013/2014 | 19 | 百分比 | 2026-9 |
| 2012/2013 | 22 | 百分比 | 2026-9 |
| 2011/2012 | 28 | 百分比 | 2026-9 |
| 2010/2011 | 29 | 百分比 | 2026-9 |
| 2009/2010 | 25 | 百分比 | 2026-9 |
| 2008/2009 | 19 | 百分比 | 2026-9 |
| 2007/2008 | 28 | 百分比 | 2026-9 |
| 2006/2007 | 34.615 | 百分比 | 2026-9 |
| 2005/2006 | 32 | 百分比 | 2026-9 |
| 2004/2005 | 20 | 百分比 | 2026-9 |
| 2003/2004 | 18.31 | 百分比 | 2026-9 |
| 2002/2003 | 12.5 | 百分比 | 2026-9 |
| 2001/2002 | 22.727 | 百分比 | 2026-9 |
| 2000/2001 | 23.932 | 百分比 | 2026-9 |
| 1999/2000 | 15.493 | 百分比 | 2026-9 |
| 1998/1999 | 26.49 | 百分比 | 2026-9 |
| 1997/1998 | 39.264 | 百分比 | 2026-9 |
| 1996/1997 | 47.799 | 百分比 | 2026-9 |
| 1995/1996 | 41.667 | 百分比 | 2026-9 |
| 1994/1995 | 53.617 | 百分比 | 2026-9 |
| 1993/1994 | 74.262 | 百分比 | 2026-9 |
| 1992/1993 | 67.188 | 百分比 | 2026-9 |
| 1991/1992 | 66.423 | 百分比 | 2026-9 |
| 1990/1991 | 67.797 | 百分比 | 2026-9 |
| 1989/1990 | 67.474 | 百分比 | 2026-9 |
| 1988/1989 | 63.036 | 百分比 | 2026-9 |
| 1987/1988 | 51.187 | 百分比 | 2026-9 |
| 1986/1987 | 63.918 | 百分比 | 2026-9 |
| 1985/1986 | 41.581 | 百分比 | 2026-9 |
| 1984/1985 | 45.283 | 百分比 | 2026-9 |
| 1983/1984 | 49.064 | 百分比 | 2026-9 |
| 1982/1983 | 52.19 | 百分比 | 2026-9 |
| 1981/1982 | 59.917 | 百分比 | 2026-9 |
| 1980/1981 | 58.091 | 百分比 | 2026-9 |
| 1979/1980 | 61.441 | 百分比 | 2026-9 |
| 1978/1979 | 65.888 | 百分比 | 2026-9 |
| 1977/1978 | 61.009 | 百分比 | 2026-9 |
| 1976/1977 | 47.489 | 百分比 | 2026-9 |
| 1975/1976 | 59.42 | 百分比 | 2026-9 |
| 1974/1975 | 63.889 | 百分比 | 2026-9 |
| 1973/1974 | 72.193 | 百分比 | 2026-9 |
| 1972/1973 | 75.393 | 百分比 | 2026-9 |
| 1971/1972 | 60.804 | 百分比 | 2026-9 |
| 1970/1971 | 65.327 | 百分比 | 2026-9 |
| 1969/1970 | 67.5 | 百分比 | 2026-9 |
| 1968/1969 | 78.723 | 百分比 | 2026-9 |
| 1967/1968 | 75 | 百分比 | 2026-9 |
| 1966/1967 | 71.892 | 百分比 | 2026-9 |
| 1965/1966 | 54.595 | 百分比 | 2026-9 |
| 1964/1965 | 58.5 | 百分比 | 2026-9 |
| 1963/1964 | 63.874 | 百分比 | 2026-9 |
| 1962/1963 | 53.846 | 百分比 | 2026-9 |
| 1961/1962 | 57.5 | 百分比 | 2026-9 |
| 1960/1961 | 63.452 | 百分比 | 2026-9 |