Year	Thousands of Persons
1970-01-01	40279
1971-01-01	40385
1972-01-01	40780
1973-01-01	41186
1974-01-01	41745
1975-01-01	42131
1976-01-01	42312
1977-01-01	42529
1978-01-01	43000
1979-01-01	43436
1980-01-01	43860
1981-01-01	44184
1982-01-01	44847
1983-01-01	45457
1984-01-01	45853
1985-01-01	46174
1986-01-01	46628
1987-01-01	46986
1988-01-01	47778
1989-01-01	47660
1990-01-01	48016
1991-01-01	48044
1992-01-01	48203
1993-01-01	47375
1994-01-01	47520
1995-01-01	47646
1996-01-01	47748
1997-01-01	47820
1998-01-01	47904
1999-01-01	47960
2000-01-01	48029
2001-01-01	48107
2002-01-01	48232
2003-01-01	48562
2004-01-01	49080
2005-01-01	49606
2006-01-01	49913
2007-01-01	50301
2008-01-01	50711
2009-01-01	51064
2010-01-01	51311
2011-01-01	51579
2012-01-01	51729