Year	Thousands of Persons
1971-01-01	21274
1972-01-01	21346
1973-01-01	21418
1974-01-01	21487
1975-01-01	21563
1976-01-01	21669
1977-01-01	21804
1978-01-01	21952
1979-01-01	22102
1980-01-01	22271
1981-01-01	22427
1982-01-01	22534
1983-01-01	22648
1984-01-01	22773
1985-01-01	22904
1986-01-01	23016
1987-01-01	23119
1988-01-01	23194
1989-01-01	23257
1990-01-01	23296
1991-01-01	23335
1992-01-01	23365
1993-01-01	23390
1994-01-01	23427
1995-01-01	23485
1996-01-01	23554
1997-01-01	23636
1998-01-01	23725
1999-01-01	23819
2000-01-01	23935
2001-01-01	24072
2002-01-01	24186
2003-01-01	24312
2004-01-01	24473
2005-01-01	24659
2006-01-01	24835
2007-01-01	25009
2008-01-01	25177
2009-01-01	25328
2010-01-01	25490
2011-01-01	25662
2012-01-01	25827