Year % of total population 1960 55.4830377103265 1961 55.3824021965622 1962 55.2881171448765 1963 55.1965295878903 1964 55.1140478337505 1965 55.0429041596872 1966 54.9775241262002 1967 54.9181308595562 1968 54.8605756905149 1969 54.813268163537 1970 54.8285091636501 1971 54.8244711368326 1972 54.7496990412782 1973 54.6799493879575 1974 54.6206121825263 1975 54.5699234112804 1976 54.5211832811115 1977 54.4748257759774 1978 54.436600078548 1979 54.3824239188734 1980 54.3153308765852 1981 54.2539945368821 1982 54.1936420869043 1983 54.1346313278677 1984 54.081491529575 1985 54.033628072793 1986 53.9831007225598 1987 53.9315130296349 1988 53.874542796555 1989 53.8131525897802 1990 53.7651626095126 1991 53.72455889138 1992 53.6759029431485 1993 53.6439467887953 1994 53.6303018145886 1995 53.6261782781919 1996 53.6362270467078 1997 53.6469565393837 1998 53.6543613647234 1999 53.6660100110464 2000 53.6902261478193 2001 53.7251272520768 2002 53.7582652120139 2003 53.7804394323589 2004 53.8056387461367 2005 53.8408244606301 2006 53.8705861082187 2007 53.8932661511434 2008 53.9112996637622 2009 53.9104799759218 2010 53.890568092915 2011 53.8646362188845 2012 53.8252133088533 2013 53.7830969932549 2014 53.7443002830132 2015 53.7113669198581 2016 53.6919066157771 2017 53.6757418844601 2018 53.6631464104379 2019 53.6752766172219 2020 53.6955667118944 2021 53.7177260140962 2022 54.0809232562836 2023 54.4010534980427