Year	Thousands of Persons
1970-01-01	19189
1971-01-01	19199
1972-01-01	19415
1973-01-01	19599
1974-01-01	19874
1975-01-01	20075
1976-01-01	20115
1977-01-01	20252
1978-01-01	20507
1979-01-01	20690
1980-01-01	20904
1981-01-01	21075
1982-01-01	21380
1983-01-01	21686
1984-01-01	21900
1985-01-01	22041
1986-01-01	22240
1987-01-01	22411
1988-01-01	22831
1989-01-01	22771
1990-01-01	22923
1991-01-01	22924
1992-01-01	23003
1993-01-01	22589
1994-01-01	22653
1995-01-01	22716
1996-01-01	22763
1997-01-01	22780
1998-01-01	22816
1999-01-01	22836
2000-01-01	22873
2001-01-01	22914
2002-01-01	22987
2003-01-01	23162
2004-01-01	23469
2005-01-01	23746
2006-01-01	23909
2007-01-01	24104
2008-01-01	24304
2009-01-01	24466
2010-01-01	24568
2011-01-01	24695
2012-01-01	24760