Year Thousands of Persons 1955-01-01 5261.00 1988-01-01 5235.00 1989-01-01 5674.00 1990-01-01 5637.00 1991-01-01 5893.00 1992-01-01 5778.00 1993-01-01 4777.00 1994-01-01 5815.00 1995-01-01 5958.00 1996-01-01 6127.00 1997-01-01 5805.00 1998-01-01 6092.00 1999-01-01 6335.00 2000-01-01 5719.25 2001-01-01 5969.50 2002-01-01 6222.75 2003-01-01 6010.75 2004-01-01 5745.75 2005-01-01 5124.50 2006-01-01 5260.50 2007-01-01 5357.50 2008-01-01 5597.00 2009-01-01 5868.25 2010-01-01 6424.25 2011-01-01 6969.00