Year	Thousands of Persons
1990-01-01	7.6
1991-01-01	7.8
1992-01-01	7.2
1993-01-01	7.2
1994-01-01	7.0
1995-01-01	8.1
1996-01-01	8.9
1997-01-01	10.1
1998-01-01	10.8
1999-01-01	10.9
2000-01-01	11.3
2001-01-01	10.6
2002-01-01	10.0
2003-01-01	11.3
2004-01-01	11.4
2005-01-01	11.4
2006-01-01	12.5
2007-01-01	12.6
2008-01-01	13.7
2009-01-01	13.6
2010-01-01	12.8
2011-01-01	13.3
2012-01-01	13.7
2013-01-01	13.9
2014-01-01	14.0
2015-01-01	14.3
2016-01-01	14.7
2017-01-01	14.7