Year % of total population 1960 51.1282339828302 1961 51.0610630617033 1962 51.0554556243187 1963 51.1151122094333 1964 51.1997239881328 1965 51.2677836323241 1966 51.326245631886 1967 51.3921532906663 1968 51.4639029907306 1969 51.5221274481029 1970 51.5597699555931 1971 51.5585494414062 1972 51.5240038261987 1973 51.4697712558275 1974 51.4561516809718 1975 51.4819445240593 1976 51.4920594479361 1977 51.4818827303749 1978 51.4479821079688 1979 51.4049446220584 1980 51.3496156926812 1981 51.2856565188554 1982 51.1513284847923 1983 50.9967021645294 1984 50.9294729226556 1985 50.9197465767629 1986 50.9307685741813 1987 50.9448991254886 1988 50.9622289155471 1989 50.994627773533 1990 51.0584130820999 1991 51.1396549235754 1992 51.2335627859924 1993 51.3475872540193 1994 51.4722799712846 1995 51.6107454436852 1996 51.7688282292446 1997 51.9484142736508 1998 52.1574619887773 1999 52.3794403360683 2000 52.5720579957522 2001 52.7645443982335 2002 53.0198238286925 2003 53.350285451971 2004 53.7474392501375 2005 54.1854510389015 2006 54.652284409385 2007 55.147470287622 2008 55.6662096387047 2009 56.2073601777801 2010 56.7684508710338 2011 57.3342714830366 2012 57.8858465713213 2013 58.4245592111323 2014 58.9376049240983 2015 59.4195201619488 2016 59.8958222555167 2017 60.358753204333 2018 60.7905419145338 2019 61.2121706355905 2020 61.6708840841945 2021 62.1698540933409 2022 62.6927044232687 2023 63.209355325932