Year	Thousands of Persons
1956-01-01	22170.00
1957-01-01	21930.00
1958-01-01	21730.00
1959-01-01	21527.50
1960-01-01	21208.50
1961-01-01	21128.50
1962-01-01	20871.25
1963-01-01	20382.25
1964-01-01	20243.00
1965-01-01	21072.25
1966-01-01	20837.75
1967-01-01	20966.25
1968-01-01	21040.00
1969-01-01	20856.50
1970-01-01	20885.75
1971-01-01	20881.00
1972-01-01	20712.75
1973-01-01	20880.00
1974-01-01	21046.75
1975-01-01	21233.25
1976-01-01	21552.75
1977-01-01	21871.00
1978-01-01	21950.00
1979-01-01	22276.50
1980-01-01	22553.75
1981-01-01	22692.75
1982-01-01	22798.50
1983-01-01	23059.75
1984-01-01	23324.25
1985-01-01	23495.00
1986-01-01	23851.25
1987-01-01	24031.00
1988-01-01	24241.50
1989-01-01	24256.50
1990-01-01	24514.75
1991-01-01	24598.25
1992-01-01	24238.50
1993-01-01	23040.75
1994-01-01	22926.00
1995-01-01	22913.50
1996-01-01	22943.75
1997-01-01	23014.75
1998-01-01	23220.25
1999-01-01	23291.50
2000-01-01	23377.25
2001-01-01	23463.75
2002-01-01	23554.50
2003-01-01	23706.50
2004-01-01	24364.75
2005-01-01	24451.25
2006-01-01	24661.75
2007-01-01	24727.75
2008-01-01	25096.70
2009-01-01	24969.78
2010-01-01	24974.72
2011-01-01	25075.02