Year	Thousands of Persons
1971-01-01	40410
1972-01-01	40578
1973-01-01	40754
1974-01-01	40925
1975-01-01	41115
1976-01-01	41344
1977-01-01	41620
1978-01-01	41916
1979-01-01	42240
1980-01-01	42582
1981-01-01	42881
1982-01-01	43095
1983-01-01	43340
1984-01-01	43608
1985-01-01	43876
1986-01-01	44099
1987-01-01	44308
1988-01-01	44468
1989-01-01	44613
1990-01-01	44717
1991-01-01	44804
1992-01-01	44859
1993-01-01	44899
1994-01-01	44973
1995-01-01	45091
1996-01-01	45249
1997-01-01	45423
1998-01-01	45609
1999-01-01	45818
2000-01-01	46085
2001-01-01	46413
2002-01-01	46707
2003-01-01	47007
2004-01-01	47364
2005-01-01	47792
2006-01-01	48197
2007-01-01	48611
2008-01-01	48998
2009-01-01	49355
2010-01-01	49726
2011-01-01	50095
2012-01-01	50473