Year % of total population 1960 50.0945398576662 1961 50.0755865454897 1962 50.0567537586202 1963 50.0382970220093 1964 50.0203056634183 1965 50.0026885996443 1966 49.9856525784145 1967 49.9691611442435 1968 49.9532156254147 1969 49.9380277293604 1970 49.9238928002346 1971 49.9108006620748 1972 49.8986780702305 1973 49.8876785354775 1974 49.8780588914421 1975 49.8695710791178 1976 49.8621027007335 1977 49.8558680852283 1978 49.8508826590056 1979 49.8469799267654 1980 49.8440051402159 1981 49.8419055523057 1982 49.8406260779247 1983 49.8400556715632 1984 49.840113780604 1985 49.8409768161022 1986 49.8430468985772 1987 49.8467938745506 1988 49.8520429922883 1989 49.8581857233733 1990 49.8646820998261 1991 49.8712133568663 1992 49.8776733696639 1993 49.8839872596624 1994 49.8900565509059 1995 49.8958412888504 1996 49.9012290300114 1997 49.9061382044035 1998 49.9107723448451 1999 49.9153483640006 2000 49.9197521531489 2001 49.9237204937036 2002 49.9272528158405 2003 49.9306452718796 2004 49.9341797717892 2005 49.938307969521 2006 49.9434687307022 2007 49.9498134801589 2008 49.9572698714068 2009 49.9652711031295 2010 49.972917862636 2011 49.9790519951531 2012 49.983108242293 2013 49.985368558103 2014 49.986101009939 2015 49.9859470624112 2016 49.9858116856356 2017 49.9866622299266 2018 49.9893333627964 2019 49.9948338708952 2020 50.0235976779271 2021 50.0676181471835 2022 50.0883173157047 2023 50.0919381804244