Year % of total population 1960 50.85188075090309 1961 50.81633778306002 1962 50.789604415465185 1963 50.77150704476613 1964 50.75491123062896 1965 50.73406673894257 1966 50.715527165866206 1967 50.703371508080664 1968 50.6938057760811 1969 50.686750756742526 1970 50.68325438981221 1971 50.68444484778445 1972 50.68659231014584 1973 50.68780486782724 1974 50.68722630862306 1975 50.6797803659912 1976 50.66868482452035 1977 50.65957996076568 1978 50.65096379667817 1979 50.639840067325295 1980 50.63063508669619 1981 50.62689324780261 1982 50.62562389075542 1983 50.624658388100904 1984 50.6241767605549 1985 50.62620021622157 1986 50.63085191271468 1987 50.63857061803716 1988 50.64793715078424 1989 50.65936094757187 1990 50.673362943985715 1991 50.688669310918996 1992 50.70400100572743 1993 50.71699912835122 1994 50.72862939686923 1995 50.74017984834855 1996 50.75142884516326 1997 50.762150574442586 1998 50.770650845208095 1999 50.779005379086776 2000 50.79102604399125 2001 50.80165323498537 2002 50.808903775341754 2003 50.81545546720113 2004 50.82190482773821 2005 50.828574267902745 2006 50.8348677007905 2007 50.84024070940267 2008 50.844680015356516 2009 50.84748994011848 2010 50.848137372889084 2011 50.84822283025845 2012 50.84826804179274 2013 50.846722965348285 2014 50.843364748573585 2015 50.838180768746135 2016 50.83074693019974 2017 50.81948344889052 2018 50.804658474260926 2019 50.78884088165564 2020 50.76865148493557 2021 50.743456145145394 2022 50.71989275984955 2023 50.69931994800489