Year Thousands of Persons 1998-01-01 486.100 1999-01-01 477.650 2000-01-01 486.800 2001-01-01 498.725 2002-01-01 494.300 2003-01-01 490.000 2004-01-01 513.325 2005-01-01 515.525 2006-01-01 523.625 2007-01-01 539.600 2008-01-01 542.925 2009-01-01 530.625 2010-01-01 523.425 2011-01-01 506.125