| å’å¹´ | 大å¦é™¢ä¿®äº† | 大å¦å’ | 高専çŸå¤§å’ | é«˜æ ¡å’ |
| 1976 | | 9.43 | 8.22 | 7.69 |
| 1977 | | 10.10 | 8.79 | 8.19 |
| 1978 | | 10.55 | 9.30 | 8.59 |
| 1979 | | 10.95 | 9.58 | 8.86 |
| 1980 | | 11.45 | 10.07 | 9.28 |
| 1981 | | 12.08 | 10.65 | 9.84 |
| 1982 | | 12.72 | 11.12 | 10.34 |
| 1983 | | 13.22 | 11.68 | 10.62 |
| 1984 | | 13.58 | 12.00 | 10.88 |
| 1985 | | 14.00 | 12.36 | 11.22 |
| 1986 | | 14.45 | 12.65 | 11.54 |
| 1987 | | 14.82 | 12.83 | 11.81 |
| 1988 | | 15.31 | 13.23 | 12.03 |
| 1989 | | 16.09 | 13.84 | 12.56 |
| 1990 | | 16.99 | 14.54 | 13.30 |
| 1991 | | 17.94 | 15.51 | 14.08 |
| 1992 | | 18.69 | 16.09 | 14.66 |
| 1993 | | 19.03 | 16.51 | 15.06 |
| 1994 | | 19.24 | 16.66 | 15.38 |
| 1995 | | 19.42 | 16.51 | 15.40 |
| 1996 | | 19.32 | 16.68 | 15.45 |
| 1997 | | 19.39 | 16.89 | 15.60 |
| 1998 | | 19.55 | 16.88 | 15.65 |
| 1999 | | 19.66 | 17.03 | 15.76 |
| 2000 | | 19.69 | 17.16 | 15.71 |
| 2001 | | 19.83 | 17.03 | 15.81 |
| 2002 | | 19.85 | 16.95 | 15.75 |
| 2003 | | 20.13 | 16.98 | 15.75 |
| 2004 | | 19.83 | 17.07 | 15.61 |
| 2005 | 22.10 | 19.67 | 17.03 | 15.57 |
| 2006 | 22.46 | 19.98 | 17.12 | 15.76 |
| 2007 | 22.46 | 19.88 | 17.12 | 15.88 |
| 2008 | 22.62 | 20.13 | 17.16 | 16.00 |
| 2009 | 22.86 | 20.14 | 17.58 | 16.08 |
| 2010 | 22.45 | 20.03 | 17.36 | 16.07 |
| 2011 | 23.39 | 20.50 | 17.55 | 15.94 |
| 2012 | 22.56 | 20.18 | 17.30 | 16.01 |
| 2013 | 22.77 | 20.02 | 17.42 | 15.89 |
| 2014 | 22.77 | 20.29 | 17.61 | 16.13 |
| 2015 | 22.85 | 20.45 | 17.73 | 16.34 |
| 2016 | 23.17 | 20.59 | 17.97 | 16.35 |
| 2017 | 23.36 | 20.78 | 18.06 | 16.42 |
| 2018 | 23.99 | 21.01 | 18.29 | 16.66 |
| 2019 | 23.90 | 21.28 | 18.47 | 16.89 |