Year	Thousands of Persons
1955-01-01	6372.00
1988-01-01	12520.00
1989-01-01	12548.00
1990-01-01	12901.00
1991-01-01	13395.00
1992-01-01	13682.00
1993-01-01	13723.00
1994-01-01	14191.00
1995-01-01	14628.00
1996-01-01	15067.00
1997-01-01	15400.00
1998-01-01	15687.00
1999-01-01	15713.00
2000-01-01	15819.25
2001-01-01	15561.00
2002-01-01	15240.25
2003-01-01	15280.00
2004-01-01	15962.75
2005-01-01	14970.75
2006-01-01	15173.00
2007-01-01	15392.50
2008-01-01	15596.00
2009-01-01	15402.75
2010-01-01	16168.50
2011-01-01	17130.75