Year	Thousands of Persons
1955-01-01	23897.50
1956-01-01	24460.00
1957-01-01	25180.00
1958-01-01	25299.17
1959-01-01	25644.17
1960-01-01	26308.33
1961-01-01	26722.50
1962-01-01	27205.00
1963-01-01	27569.17
1964-01-01	28005.00
1965-01-01	28507.50
1966-01-01	29059.17
1967-01-01	29571.67
1968-01-01	30212.50
1969-01-01	30549.17
1970-01-01	30916.67
1971-01-01	31405.00
1972-01-01	31790.83
1973-01-01	32349.17
1974-01-01	32635.00
1975-01-01	32698.33
1976-01-01	32942.50
1977-01-01	33092.50
1978-01-01	33253.33
1979-01-01	33628.33
1980-01-01	33940.00
1981-01-01	34193.33
1982-01-01	34378.33
1983-01-01	34695.00
1984-01-01	34845.00
1985-01-01	35034.17
1986-01-01	35264.17
1987-01-01	35507.50
1988-01-01	36022.50
1989-01-01	36539.17
1990-01-01	37134.17
1991-01-01	37765.00
1992-01-01	38171.67
1993-01-01	38400.83
1994-01-01	38390.83
1995-01-01	38430.00
1996-01-01	38583.33
1997-01-01	38917.50
1998-01-01	38579.17
1999-01-01	38306.67
2000-01-01	38172.50
2001-01-01	37829.17
2002-01-01	37365.00
2003-01-01	37186.67
2004-01-01	37126.67
2005-01-01	37225.83
2006-01-01	37299.17
2007-01-01	37525.00
2008-01-01	37290.83
2009-01-01	36436.67
2010-01-01	36150.83
2011-01-01	35311.67