Year	Thousands of Persons
1970-01-01	8395
1971-01-01	8639
1972-01-01	8897
1973-01-01	9276
1974-01-01	9639
1975-01-01	9974
1976-01-01	10368
1977-01-01	10661
1978-01-01	11022
1979-01-01	11392
1980-01-01	11725
1981-01-01	12080
1982-01-01	12145
1983-01-01	12372
1984-01-01	12588
1985-01-01	12850
1986-01-01	13100
1987-01-01	13345
1988-01-01	13590
1989-01-01	13857
1990-01-01	14047
1991-01-01	14140
1992-01-01	14150
1993-01-01	14238
1994-01-01	14347
1995-01-01	14456
1996-01-01	14619
1997-01-01	14886
1998-01-01	15134
1999-01-01	15398
2000-01-01	15632
2001-01-01	15886
2002-01-01	16356
2003-01-01	16722
2004-01-01	16925
2005-01-01	17056
2006-01-01	17266
2007-01-01	17626
2008-01-01	17936
2009-01-01	18058
2010-01-01	18263
2011-01-01	18434
2012-01-01	18616