Year	Thousands of Persons
1960-01-01	13068.00
1961-01-01	13207.00
1962-01-01	13345.00
1963-01-01	13484.00
1964-01-01	13623.00
1965-01-01	13702.00
1966-01-01	13840.00
1967-01-01	13979.00
1968-01-01	14118.00
1969-01-01	14256.00
1970-01-01	13905.00
1971-01-01	14206.00
1972-01-01	14541.00
1973-01-01	14896.00
1974-01-01	15379.00
1975-01-01	15621.00
1976-01-01	16075.00
1977-01-01	16798.00
1978-01-01	17038.00
1979-01-01	17064.00
1980-01-01	17173.00
1981-01-01	17140.00
1982-01-01	17299.00
1983-01-01	17609.00
1984-01-01	17861.00
1985-01-01	18072.00
1986-01-01	18565.00
1987-01-01	19080.00
1988-01-01	19393.00
1989-01-01	19931.00
1990-01-01	20150.00
1991-01-01	21011.00
1992-01-01	21265.00
1993-01-01	20314.00
1994-01-01	21877.00
1995-01-01	22286.00
1996-01-01	22697.00
1997-01-01	22757.00
1998-01-01	23386.00
1999-01-01	23878.00
2000-01-01	23034.50
2001-01-01	23488.50
2002-01-01	23936.00
2003-01-01	23787.25
2004-01-01	24187.75
2005-01-01	22476.25
2006-01-01	22757.50
2007-01-01	23118.50
2008-01-01	23798.00
2009-01-01	24741.75
2010-01-01	25640.75
2011-01-01	26715.75