Year Thousands of Persons 2001-01-01 10.0 2002-01-01 8.4 2003-01-01 7.8 2004-01-01 7.9 2005-01-01 8.1 2006-01-01 7.4 2007-01-01 7.1 2008-01-01 6.3 2009-01-01 6.0 2010-01-01 6.1 2011-01-01 6.1 2012-01-01 5.7 2013-01-01 6.0 2014-01-01 6.4 2015-01-01 5.5 2016-01-01 5.8