Year	Thousands of Persons
1990-01-01	17406.00
1991-01-01	17482.00
1992-01-01	17516.00
1993-01-01	17320.75
1994-01-01	17131.50
1995-01-01	17067.75
1996-01-01	17076.25
1997-01-01	17100.00
1998-01-01	17171.00
2000-01-01	17311.00
2001-01-01	17376.25
2002-01-01	17212.75
2003-01-01	16945.25
2004-01-01	17025.00
2005-01-01	17161.00
2006-01-01	16937.75
2007-01-01	16859.00
2008-01-01	17010.50
2009-01-01	17279.00
2010-01-01	17659.75
2011-01-01	17853.25