Year	Thousands of Persons
1970-01-01	11183
1971-01-01	11633
1972-01-01	11933
1973-01-01	12246
1974-01-01	12387
1975-01-01	12459
1976-01-01	12601
1977-01-01	12797
1978-01-01	13032
1979-01-01	13410
1980-01-01	13740
1981-01-01	13956
1982-01-01	14054
1983-01-01	14045
1984-01-01	14218
1985-01-01	14418
1986-01-01	14721
1987-01-01	14998
1988-01-01	15286
1989-01-01	15613
1990-01-01	16112
1991-01-01	20696
1992-01-01	20846
1993-01-01	21109
1994-01-01	21471
1995-01-01	22005
1996-01-01	22291
1997-01-01	22440
1998-01-01	22918
1999-01-01	23057
2000-01-01	23379
2001-01-01	23668
2002-01-01	23686
2003-01-01	23658
2004-01-01	23811
2005-01-01	24727
2006-01-01	25400
2007-01-01	25882
2008-01-01	26335
2009-01-01	27114
2010-01-01	27487
2011-01-01	28259
2012-01-01	28542