当选年 | 1955 | 1980 | 1991 | 1993 | 1994 | 1995 | 1996 | 1997 | 1999 | 2001 | 2003 | 2005 | 2007 | 2009 | 2011 | 2013 | 2015 | 2017 |
科学院 | 54 | 60.8 | 60.9 | 59.3 | 61 | 59.3 | 66 | 61 | 61 | 56.4 | 70 | 56.5 | 51.8 | 52.3 | ||||
工程院 | 57.8 | 62.8 | 66.5 | 67.3 | 64 | 44 | 48 | 62 | 56 | 58.3 | 55.7 | 57.5 |