Year	Thousands of Persons
1991-01-01	140.500
1992-01-01	143.000
1993-01-01	144.200
1994-01-01	145.400
1995-01-01	149.000
1996-01-01	147.500
1997-01-01	147.800
1998-01-01	152.100
1999-01-01	156.500
2000-01-01	160.100
2001-01-01	162.700
2002-01-01	162.000
2003-01-01	162.375
2004-01-01	161.075
2005-01-01	165.600
2006-01-01	174.600
2007-01-01	181.450
2008-01-01	184.050
2009-01-01	180.850
2010-01-01	180.975
2011-01-01	180.000