Year % of total population 1960 50.4135103203836 1961 50.309938466429 1962 50.2212635371033 1963 50.1305369419546 1964 50.05422878166 1965 49.9823369282879 1966 49.9066634201769 1967 49.8327494408487 1968 49.7625849289685 1969 49.6986703830653 1970 49.6404862171059 1971 49.5798470212231 1972 49.4951973638085 1973 49.4576671978615 1974 49.4641149930394 1975 49.4740987480104 1976 49.4926102828838 1977 49.5741379856252 1978 49.6623839444809 1979 49.6968853422412 1980 49.7380915913616 1981 49.7937206127711 1982 49.8517347783548 1983 49.9080153756413 1984 49.9688177471565 1985 50.0287470700102 1986 50.0900109769484 1987 50.1531271318055 1988 50.1343680390889 1989 50.0533102085495 1990 49.9950743769087 1991 49.9358920757031 1992 49.8971236035737 1993 49.8740416210296 1994 49.907916474826 1995 50.0327824981602 1996 50.1813368630046 1997 50.0881995531223 1998 49.896992171405 1999 49.8217751449266 2000 49.720209842618 2001 49.6222096428835 2002 49.5517571846227 2003 49.4473155325869 2004 49.3029569733813 2005 49.172711712446 2006 49.0418288496205 2007 48.9068780073592 2008 48.7639998215162 2009 48.6125453147314 2010 48.4422512958694 2011 48.2547667515747 2012 48.0762572264949 2013 47.9186053725417 2014 47.8015530453771 2015 47.7156388553003 2016 47.6350141282286 2017 47.5528184577305 2018 47.4709265671526 2019 47.3810276604103 2020 47.3258788969961 2021 47.3086568173493 2022 47.3533859855486 2023 47.4512353706112