Year	Thousands of Persons
1973-01-01	2973
1974-01-01	3047
1975-01-01	3085
1976-01-01	3159
1977-01-01	3247
1978-01-01	3292
1979-01-01	3401
1980-01-01	3593
1981-01-01	3687
1982-01-01	3713
1983-01-01	3658
1984-01-01	3706
1985-01-01	3859
1986-01-01	3954
1987-01-01	3959
1988-01-01	4112
1989-01-01	4197
1990-01-01	4343
1991-01-01	4522
1992-01-01	4695
1993-01-01	4715
1994-01-01	4824
1995-01-01	5000
1996-01-01	5131
1997-01-01	5308
1998-01-01	5547
1999-01-01	5713
2000-01-01	5891
2001-01-01	6065
2002-01-01	6206
2003-01-01	6234
2004-01-01	6182
2005-01-01	6163
2006-01-01	6310
2007-01-01	6562
2008-01-01	6763
2009-01-01	6829
2010-01-01	6660
2011-01-01	6723
2012-01-01	6776