Year % of total population 1960 48.505067739331 1961 48.489034685575 1962 48.4834022104537 1963 48.4792185815073 1964 48.4792675743491 1965 48.4807987030454 1966 48.4775640284613 1967 48.4700835265994 1968 48.4598160161939 1969 48.4454784841596 1970 48.4316045825616 1971 48.4192866556261 1972 48.4117639594875 1973 48.4113244752099 1974 48.4165679218758 1975 48.4226012808064 1976 48.4254925930141 1977 48.4302477628516 1978 48.4381275518296 1979 48.4473845504283 1980 48.4579739553615 1981 48.4679693907963 1982 48.4753330948053 1983 48.4847687413018 1984 48.4953321523945 1985 48.5026294062137 1986 48.5112029103107 1987 48.5211435901986 1988 48.5280011397347 1989 48.5341544118218 1990 48.5354025048752 1991 48.5409713839036 1992 48.5543532529864 1993 48.5712743470341 1994 48.5922512489219 1995 48.610452474286 1996 48.6260460848955 1997 48.6402723833072 1998 48.6546984932432 1999 48.670489358773 2000 48.6861278922412 2001 48.7124003301573 2002 48.7501574988499 2003 48.7882461013513 2004 48.8254018931295 2005 48.8637624897703 2006 48.9046528249173 2007 48.9438449794439 2008 48.9829873692777 2009 49.0235867930847 2010 49.063594358546 2011 49.0917105794293 2012 49.1045293697641 2013 49.1080837300534 2014 49.1196786363495 2015 49.1455081140858 2016 49.1724460040288 2017 49.1983472133795 2018 49.2237336553961 2019 49.2486906217225 2020 49.2594070071341 2021 49.2488881146552 2022 49.2612816521768 2023 49.314621456567