Year Thousands of Persons 1992-01-01 39197.00 1993-01-01 38249.00 1994-01-01 37208.00 1995-01-01 37338.00 1996-01-01 36765.00 1997-01-01 35906.00 1998-01-01 35407.00 1999-01-01 37509.00 2000-01-01 37630.75 2001-01-01 36953.75 2002-01-01 37028.00 2003-01-01 36948.50 2004-01-01 37156.25 2005-01-01 37273.50 2006-01-01 37506.44 2007-01-01 38103.25 2008-01-01 38680.50 2009-01-01 38526.75 2010-01-01 38574.75 2011-01-01 38716.04