Year	Thousands of Persons
1999-01-01	37.000
2000-01-01	33.600
2001-01-01	29.850
2002-01-01	30.975
2003-01-01	33.100
2004-01-01	31.900
2005-01-01	33.250
2006-01-01	26.925
2007-01-01	22.275
2008-01-01	22.575
2009-01-01	33.300
2010-01-01	41.925
2011-01-01	44.975