Year	Thousands of Persons
1990-01-01	8.0
1991-01-01	7.8
1992-01-01	7.5
1993-01-01	8.0
1994-01-01	8.7
1995-01-01	9.6
1996-01-01	10.8
1997-01-01	11.6
1998-01-01	12.1
1999-01-01	13.5
2000-01-01	14.4
2001-01-01	13.7
2002-01-01	13.1
2003-01-01	13.4
2004-01-01	13.6
2005-01-01	14.2
2006-01-01	13.7
2007-01-01	12.9
2008-01-01	12.6
2009-01-01	12.0
2010-01-01	11.9
2011-01-01	12.3
2012-01-01	12.5
2013-01-01	12.9
2014-01-01	12.7
2015-01-01	12.3
2016-01-01	12.3
2017-01-01	12.2