Year	Thousands of Persons
1990-01-01	27.6
1991-01-01	28.0
1992-01-01	30.8
1993-01-01	35.2
1994-01-01	37.9
1995-01-01	41.1
1996-01-01	46.3
1997-01-01	48.4
1998-01-01	48.5
1999-01-01	52.9
2000-01-01	55.7
2001-01-01	55.9
2002-01-01	58.6
2003-01-01	60.2
2004-01-01	62.2
2005-01-01	62.4
2006-01-01	64.1
2007-01-01	66.6
2008-01-01	62.9
2009-01-01	60.3
2010-01-01	63.0
2011-01-01	65.4
2012-01-01	68.8
2013-01-01	71.2
2014-01-01	68.2
2015-01-01	65.9
2016-01-01	67.1
2017-01-01	66.6