Year	Thousands of Persons
1956-01-01	19905.00
1957-01-01	19997.00
1958-01-01	19944.00
1959-01-01	19888.00
1960-01-01	19905.00
1961-01-01	19878.00
1962-01-01	19911.00
1963-01-01	20110.00
1964-01-01	20282.00
1965-01-01	20407.00
1966-01-01	20577.00
1967-01-01	20737.00
1968-01-01	20802.00
1969-01-01	21041.00
1970-01-01	21368.00
1971-01-01	21516.00
1972-01-01	21674.00
1973-01-01	21959.00
1974-01-01	22182.00
1975-01-01	22258.00
1976-01-01	22532.00
1977-01-01	22845.00
1978-01-01	22994.00
1979-01-01	23189.00
1980-01-01	23325.00
1981-01-01	23466.00
1982-01-01	23672.00
1983-01-01	23725.00
1984-01-01	23846.00
1985-01-01	23910.00
1986-01-01	24042.00
1987-01-01	24159.00
1988-01-01	24291.00
1989-01-01	24460.00
1990-01-01	25262.21
1991-01-01	25331.56
1992-01-01	25462.71
1993-01-01	25429.97
1994-01-01	25623.87
1995-01-01	25393.00
1996-01-01	25674.25
1997-01-01	25627.25
1998-01-01	25781.50
1999-01-01	25983.75
2000-01-01	26259.75
2001-01-01	26432.25
2002-01-01	26740.50
2003-01-01	26972.00
2004-01-01	27187.00
2005-01-01	27380.75
2006-01-01	27551.00
2007-01-01	27774.25
2008-01-01	27962.00
2009-01-01	28234.75
2010-01-01	28346.25
2011-01-01	28397.00