Year	Thousands of Persons
1970-01-01	26107
1971-01-01	26222
1972-01-01	26289
1973-01-01	26593
1974-01-01	26247
1975-01-01	25536
1976-01-01	25396
1977-01-01	25428
1978-01-01	25647
1979-01-01	26074
1980-01-01	26486
1981-01-01	26453
1982-01-01	26149
1983-01-01	25765
1984-01-01	25826
1985-01-01	26018
1986-01-01	26383
1987-01-01	26584
1988-01-01	26799
1989-01-01	27201
1990-01-01	27952
1991-01-01	36871
1992-01-01	36390
1993-01-01	35989
1994-01-01	35756
1995-01-01	35780
1996-01-01	35637
1997-01-01	35508
1998-01-01	36059
1999-01-01	36042
2000-01-01	36236
2001-01-01	36350
2002-01-01	36018
2003-01-01	35615
2004-01-01	35604
2005-01-01	36123
2006-01-01	36949
2007-01-01	37763
2008-01-01	38345
2009-01-01	38279
2010-01-01	38549
2011-01-01	39549
2012-01-01	39873