Year	Thousands of Persons
2003-01-01	38.1
2004-01-01	39.4
2005-01-01	36.8
2006-01-01	35.2
2007-01-01	32.3
2008-01-01	29.3
2009-01-01	21.0
2010-01-01	15.9
2011-01-01	15.7
2012-01-01	18.0
2013-01-01	13.8
2014-01-01	12.7
2015-01-01	11.5
2016-01-01	10.3
2017-01-01	9.3