Year	Thousands of Persons
1990-01-01	44.3
1991-01-01	44.6
1992-01-01	47.4
1993-01-01	47.4
1994-01-01	49.7
1995-01-01	53.4
1996-01-01	54.4
1997-01-01	53.3
1998-01-01	53.2
1999-01-01	52.0
2000-01-01	51.7
2001-01-01	58.3
2002-01-01	57.0
2003-01-01	57.7
2004-01-01	61.5
2005-01-01	62.7
2006-01-01	61.7
2007-01-01	62.6
2008-01-01	67.1
2009-01-01	64.5
2010-01-01	60.6
2011-01-01	59.5
2012-01-01	61.4
2013-01-01	57.0
2014-01-01	54.9
2015-01-01	55.1
2016-01-01	55.8
2017-01-01	53.3