Year	Thousands of Persons
1970-01-01	14528
1971-01-01	14872
1972-01-01	15186
1973-01-01	15526
1974-01-01	15924
1975-01-01	16323
1976-01-01	16582
1977-01-01	16964
1978-01-01	17302
1979-01-01	17663
1980-01-01	18032
1981-01-01	18398
1982-01-01	18716
1983-01-01	18981
1984-01-01	19220
1985-01-01	19460
1986-01-01	19715
1987-01-01	19985
1988-01-01	20257
1989-01-01	20540
1990-01-01	20852
1991-01-01	21176
1992-01-01	21459
1993-01-01	21731
1994-01-01	21994
1995-01-01	22274
1996-01-01	22567
1997-01-01	22858
1998-01-01	23124
1999-01-01	23385
2000-01-01	23687
2001-01-01	24028
2002-01-01	24383
2003-01-01	24703
2004-01-01	25028
2005-01-01	25345
2006-01-01	25711
2007-01-01	26094
2008-01-01	26486
2009-01-01	26883
2010-01-01	27250
2011-01-01	27578
2012-01-01	27922