Year Persons 1960-01-01 15748000 1961-01-01 15900000 1962-01-01 15989000 1963-01-01 15992000 1964-01-01 16104000 1965-01-01 16193000 1966-01-01 16160000 1967-01-01 15899000 1968-01-01 15722000 1969-01-01 15673000 1970-01-01 15537000 1971-01-01 15345000 1972-01-01 15224000 1973-01-01 15432000 1974-01-01 15291000 1975-01-01 15150000 1976-01-01 14963000 1977-01-01 14891000 1978-01-01 14932000 1979-01-01 15037000 1980-01-01 14941000 1981-01-01 14256000 1982-01-01 13905000 1983-01-01 13653000 1984-01-01 13927000 1985-01-01 14083000 1986-01-01 14014000 1987-01-01 14145000 1988-01-01 14681000 1989-01-01 15083000 1990-01-01 15207000 1991-01-01 14562000 1992-01-01 13950000 1993-01-01 13626000 1994-01-01 13726000 1995-01-01 13879000 1996-01-01 13931000 1997-01-01 14160000 1998-01-01 14306000 1999-01-01 14406000 2000-01-01 14849225 2001-01-01 14982350 2002-01-01 15051450 2003-01-01 15217225 2004-01-01 15355250 2005-01-01 15488725 2006-01-01 15636200 2007-01-01 15789650 2008-01-01 15889700 2009-01-01 15482525 2010-01-01 15527300 2011-01-01 15617725 2012-01-01 15807575 2013-01-01 15953125 2014-01-01 16324775 2015-01-01 16611200 2016-01-01 16841975 2017-01-01 16954375