Year	Thousands of Persons
1970-01-01	23776
1971-01-01	24486
1972-01-01	24987
1973-01-01	25897
1974-01-01	26153
1975-01-01	26782
1976-01-01	27304
1977-01-01	28100
1978-01-01	28721
1979-01-01	29440
1980-01-01	29908
1981-01-01	30427
1982-01-01	31158
1983-01-01	32015
1984-01-01	32376
1985-01-01	32615
1986-01-01	33276
1987-01-01	34115
1988-01-01	34703
1989-01-01	35503
1990-01-01	36546
1991-01-01	37380
1992-01-01	37872
1993-01-01	38506
1994-01-01	38820
1995-01-01	39227
1996-01-01	39677
1997-01-01	40317
1998-01-01	40794
1999-01-01	40774
2000-01-01	41010
2001-01-01	41370
2002-01-01	41670
2003-01-01	41931
2004-01-01	42621
2005-01-01	43188
2006-01-01	43509
2007-01-01	43859
2008-01-01	44050
2009-01-01	44041
2010-01-01	44381
2011-01-01	44472
2012-01-01	44552