Year	Thousands of Persons
1956-01-01	25.7500
1957-01-01	33.2500
1958-01-01	54.2500
1959-01-01	47.0000
1960-01-01	59.8333
1961-01-01	65.0833
1962-01-01	59.5000
1963-01-01	62.0833
1964-01-01	61.6667
1965-01-01	56.2500
1966-01-01	79.5833
1967-01-01	92.8333
1968-01-01	113.5000
1969-01-01	127.0000
1970-01-01	164.2500
1971-01-01	196.9167
1972-01-01	216.0000
1973-01-01	220.2500
1974-01-01	220.9167
1975-01-01	298.9167
1976-01-01	323.4333
1977-01-01	376.5333
1978-01-01	412.0583
1979-01-01	394.1083
1980-01-01	395.0417
1981-01-01	410.0417
1982-01-01	543.1917
1983-01-01	602.1750
1984-01-01	605.6333
1985-01-01	590.7500
1986-01-01	560.1667
1987-01-01	538.0667
1988-01-01	493.4500
1989-01-01	480.3750
1990-01-01	511.4167
1991-01-01	621.3250
1992-01-01	654.8667
1993-01-01	693.1333
1994-01-01	642.5750
1995-01-01	605.2000
1996-01-01	624.6917
1997-01-01	610.4333
1998-01-01	558.1500
1999-01-01	520.0250
2000-01-01	487.1083
2001-01-01	509.5333
2002-01-01	545.9750
2003-01-01	564.6000
2004-01-01	548.8750
2005-01-01	522.0417
2006-01-01	499.9250
2007-01-01	474.5833
2008-01-01	484.4500
2009-01-01	605.3583
2010-01-01	632.3917
2011-01-01	619.3417