Year	Thousands of Persons
1991-01-01	1.700
1992-01-01	2.900
1993-01-01	3.800
1994-01-01	4.000
1995-01-01	3.800
1996-01-01	2.700
1997-01-01	2.600
1998-01-01	1.800
1999-01-01	1.200
2000-01-01	1.500
2001-01-01	1.800
2002-01-01	3.100
2003-01-01	3.075
2004-01-01	2.700
2005-01-01	2.275
2006-01-01	2.600
2007-01-01	2.250
2008-01-01	3.350
2009-01-01	8.300
2010-01-01	7.925
2011-01-01	7.400