Year	Thousands of Persons
1955-01-01	42621.17
1956-01-01	43380.00
1957-01-01	43353.67
1958-01-01	42423.00
1959-01-01	43465.42
1960-01-01	43902.75
1961-01-01	43656.17
1962-01-01	44176.67
1963-01-01	44657.58
1964-01-01	45472.83
1965-01-01	46339.83
1966-01-01	46919.67
1967-01-01	47478.92
1968-01-01	48113.50
1969-01-01	48817.67
1970-01-01	48990.08
1971-01-01	49390.58
1972-01-01	50895.75
1973-01-01	52349.33
1974-01-01	53025.42
1975-01-01	51857.67
1976-01-01	53138.17
1977-01-01	54728.58
1978-01-01	56479.58
1979-01-01	57608.00
1980-01-01	57185.83
1981-01-01	57397.00
1982-01-01	56270.58
1983-01-01	56787.00
1984-01-01	59090.58
1985-01-01	59890.58
1986-01-01	60891.67
1987-01-01	62106.58
1988-01-01	63272.75
1989-01-01	64306.08
1990-01-01	65104.25
1991-01-01	64222.67
1992-01-01	64440.42
1993-01-01	65348.92
1994-01-01	66449.00
1995-01-01	67377.17
1996-01-01	68206.92
1997-01-01	69684.58
1998-01-01	70692.83
1999-01-01	71446.17
2000-01-01	73305.25
2001-01-01	73196.17
2002-01-01	72903.08
2003-01-01	73331.58
2004-01-01	74524.17
2005-01-01	75973.17
2006-01-01	77501.58
2007-01-01	78254.25
2008-01-01	77486.17
2009-01-01	73669.66
2010-01-01	73359.17
2011-01-01	74290.34