Year	Thousands of Persons
2003-01-01	67.4
2004-01-01	68.2
2005-01-01	64.8
2006-01-01	64.6
2007-01-01	61.7
2008-01-01	54.2
2009-01-01	40.6
2010-01-01	32.5
2011-01-01	32.0
2012-01-01	35.6
2013-01-01	29.4
2014-01-01	27.0
2015-01-01	24.8
2016-01-01	22.7
2017-01-01	20.5