Year	Thousands of Persons
1990-01-01	6.8
1991-01-01	6.8
1992-01-01	7.0
1993-01-01	7.0
1994-01-01	6.9
1995-01-01	7.1
1996-01-01	7.4
1997-01-01	7.6
1998-01-01	7.6
1999-01-01	7.2
2000-01-01	7.1
2001-01-01	7.1
2002-01-01	8.3
2003-01-01	10.8
2004-01-01	11.8
2005-01-01	11.7
2006-01-01	9.5
2007-01-01	9.6
2008-01-01	9.4
2009-01-01	8.6
2010-01-01	8.4
2011-01-01	7.9
2012-01-01	7.9