Year	Thousands of Persons
1990-01-01	2.2
1991-01-01	2.5
1992-01-01	2.5
1993-01-01	2.8
1994-01-01	2.8
1995-01-01	2.4
1996-01-01	2.2
1997-01-01	2.1
1998-01-01	2.3
1999-01-01	2.3
2000-01-01	2.3
2001-01-01	2.1
2002-01-01	2.1
2003-01-01	2.0
2004-01-01	2.1
2005-01-01	2.2
2006-01-01	2.3
2007-01-01	2.3
2008-01-01	2.4
2009-01-01	2.2
2010-01-01	2.2
2011-01-01	2.0
2012-01-01	1.1
2013-01-01	0.7
2014-01-01	0.6
2015-01-01	0.6
2016-01-01	0.6
2017-01-01	0.6