Year % of total population ages 15+ (national estimate) 1960 51.75 1966 50.39 1970 48.84 1981 51.78 1983 50.898 1984 50.997 1985 51.808 1986 51.716 1987 52.324 1988 51.05 1989 51.054 1990 50.064 1991 51.85 1992 53.562 1993 52.736 1994 52.692 1995 50.799 1996 50.959 1997 51.194 1998 51.351 1999 52.359 2000 53.412 2001 53.815 2002 54.765 2003 54.175 2004 55.005 2005 55.556 2006 55.008 2007 55.931 2008 56.011 2009 58.074 2010 57.661 2011 57.533 2012 58.779 2013 59.314 2014 59.789 2015 60.544 2016 59.859 2017 59.297 2018 59.889 2019 60.641 2020 60.791 2021 62.211 2022 61.555 2023 62.243