Year Persons 1980-01-01 38450 1981-01-01 41675 1982-01-01 31300 1983-01-01 32725 1984-01-01 45550 1985-01-01 65400 1986-01-01 64725 1987-01-01 68675 1988-01-01 77750 1989-01-01 83675 1990-01-01 58900 1991-01-01 31600 1992-01-01 33875 1993-01-01 43525 1994-01-01 74000 1995-01-01 74100 1996-01-01 79450 1997-01-01 84750 1998-01-01 98325 1999-01-01 101100 2000-01-01 115825 2001-01-01 92925 2002-01-01 96825 2003-01-01 106325 2004-01-01 123275 2005-01-01 140050 2006-01-01 153850 2007-01-01 171525 2010-01-01 177200 2011-01-01 184800 2012-01-01 175025 2013-01-01 143125 2014-01-01 146750 2015-01-01 159625 2016-01-01 175850 2017-01-01 198450