Year	Thousands of Persons
1971-01-01	25386
1972-01-01	25515
1973-01-01	25736
1974-01-01	25809
1975-01-01	25944
1976-01-01	26037
1977-01-01	26120
1978-01-01	26239
1979-01-01	26475
1980-01-01	26762
1981-01-01	26877
1982-01-01	26669
1983-01-01	26700
1984-01-01	27368
1985-01-01	27585
1986-01-01	27750
1987-01-01	28024
1988-01-01	28362
1989-01-01	28682
1990-01-01	28777
1991-01-01	28548
1992-01-01	28221
1993-01-01	28102
1994-01-01	28062
1995-01-01	28120
1996-01-01	28224
1997-01-01	28395
1998-01-01	28472
1999-01-01	28776
2000-01-01	28962
2001-01-01	29107
2002-01-01	29364
2003-01-01	29586
2004-01-01	29814
2005-01-01	30148
2006-01-01	30616
2007-01-01	30802
2008-01-01	31137
2009-01-01	31268
2010-01-01	31405
2011-01-01	31642
2012-01-01	31986