Year	Thousands of Persons
1990-01-01	3.9
1991-01-01	4.1
1992-01-01	4.3
1993-01-01	4.3
1994-01-01	4.5
1995-01-01	4.6
1996-01-01	4.7
1997-01-01	4.9
1998-01-01	5.1
1999-01-01	5.4
2000-01-01	5.6
2001-01-01	5.4
2002-01-01	5.1
2003-01-01	5.5
2004-01-01	5.7
2005-01-01	5.8
2006-01-01	5.7
2007-01-01	5.6
2008-01-01	5.6
2009-01-01	5.5
2010-01-01	5.5
2011-01-01	5.4
2012-01-01	5.4