Year Persons 1986-01-01 253825 1987-01-01 267225 1988-01-01 298450 1989-01-01 315500 1990-01-01 325475 1991-01-01 335275 1992-01-01 348075 1993-01-01 352475 1994-01-01 351100 1995-01-01 350300 1996-01-01 351600 1997-01-01 358625 1998-01-01 371850 1999-01-01 375775 2000-01-01 376325 2001-01-01 375775 2002-01-01 372875 2003-01-01 393150 2004-01-01 389175 2005-01-01 386525 2006-01-01 384625 2007-01-01 388800 2008-01-01 399975 2009-01-01 414575 2010-01-01 424100 2011-01-01 426275 2012-01-01 440175 2013-01-01 445825 2014-01-01 441475 2015-01-01 452175 2016-01-01 447675 2017-01-01 442575