Year % of total population 1960 50.77958917319938 1961 50.74510849628162 1962 50.72027406672669 1963 50.70475354598529 1964 50.69057127536715 1965 50.6721289144027 1966 50.65606767761179 1967 50.64615872561714 1968 50.63875698744584 1969 50.63381484169058 1970 50.63231167894632 1971 50.635345382773124 1972 50.63915433419212 1973 50.641899219341674 1974 50.64272161812471 1975 50.636609467369134 1976 50.62678284467237 1977 50.61883968373425 1978 50.611344306195576 1979 50.60133567292806 1980 50.593164486107 1981 50.59036215451305 1982 50.59001877441483 1983 50.58993597946515 1984 50.59026704251063 1985 50.593049687831176 1986 50.59841875175357 1987 50.60680412868216 1988 50.616781380861866 1989 50.628734586439684 1990 50.643181641089136 1991 50.658861521918446 1992 50.674505744886304 1993 50.68772871171803 1994 50.69955016431428 1995 50.71138971460758 1996 50.722995332595026 1997 50.73407274369156 1998 50.74294134064578 1999 50.75166088252962 2000 50.763993795215676 2001 50.77493450850426 2002 50.78252206375126 2003 50.78933587726987 2004 50.79597657624906 2005 50.802837113035196 2006 50.80932309226396 2007 50.81489532916225 2008 50.81954877639644 2009 50.82261261261926 2010 50.82361383363906 2011 50.824163214366465 2012 50.82476422832829 2013 50.82384867156991 2014 50.821183859841376 2015 50.81679562151908 2016 50.81023678169158 2017 50.79989135731059 2018 50.78600270711517 2019 50.7711179646734 2020 50.751897447439866 2021 50.72768556219801 2022 50.7049808228905 2023 50.685125334763356