Quarter	Thousands of Persons, Seasonally Adjusted
1955-01-01	16430.00
1955-04-01	16976.67
1955-07-01	17166.67
1955-10-01	17366.67
1956-01-01	17093.33
1956-04-01	17320.00
1956-07-01	17300.00
1956-10-01	17286.67
1957-01-01	17783.33
1957-04-01	17306.67
1957-07-01	17633.33
1957-10-01	17820.00
1958-01-01	17843.33
1958-04-01	17693.33
1958-07-01	17506.67
1958-10-01	17693.33
1959-01-01	17573.33
1959-04-01	17843.33
1959-07-01	17676.67
1959-10-01	17746.67
1960-01-01	17776.67
1960-04-01	17956.67
1960-07-01	18330.00
1960-10-01	18206.67
1961-01-01	18393.33
1961-04-01	18133.33
1961-07-01	18166.67
1961-10-01	18376.67
1962-01-01	18323.33
1962-04-01	18326.67
1962-07-01	18396.67
1962-10-01	18386.67
1963-01-01	18190.00
1963-04-01	18350.00
1963-07-01	18450.00
1963-10-01	18500.00
1964-01-01	18600.00
1964-04-01	18603.33
1964-07-01	18500.00
1964-10-01	18516.67
1965-01-01	18726.67
1965-04-01	18643.33
1965-07-01	18856.67
1965-10-01	18936.67
1966-01-01	19126.67
1966-04-01	19123.33
1966-07-01	19283.33
1966-10-01	19350.00
1967-01-01	19443.33
1967-04-01	19766.67
1967-07-01	19586.67
1967-10-01	19720.00
1968-01-01	19646.67
1968-04-01	19833.33
1968-07-01	19866.67
1968-10-01	19886.67
1969-01-01	19800.00
1969-04-01	19836.67
1969-07-01	19940.00
1969-10-01	19863.33
1970-01-01	19950.00
1970-04-01	20103.33
1970-07-01	20133.33
1970-10-01	19920.00
1971-01-01	19943.33
1971-04-01	19866.67
1971-07-01	19800.00
1971-10-01	19660.00
1972-01-01	19550.00
1972-04-01	19376.67
1972-07-01	19643.33
1972-10-01	20023.33
1973-01-01	20470.00
1973-04-01	20013.33
1973-07-01	20093.33
1973-10-01	20373.33
1974-01-01	19923.33
1974-04-01	19883.33
1974-07-01	19583.33
1974-10-01	19526.67
1975-01-01	19373.33
1975-04-01	19610.00
1975-07-01	19663.33
1975-10-01	19450.00
1976-01-01	19686.67
1976-04-01	19586.67
1976-07-01	19886.67
1976-10-01	19900.00
1977-01-01	20063.33
1977-04-01	20336.67
1977-07-01	20406.67
1977-10-01	20500.00
1978-01-01	20603.33
1978-04-01	20863.33
1978-07-01	20796.67
1978-10-01	21033.33
1979-01-01	21130.00
1979-04-01	21070.00
1979-07-01	21196.67
1979-10-01	21270.00
1980-01-01	21256.67
1980-04-01	21373.33
1980-07-01	21623.33
1980-10-01	21410.00
1981-01-01	21400.00
1981-04-01	21556.67
1981-07-01	21650.00
1981-10-01	21873.33
1982-01-01	21950.00
1982-04-01	21913.33
1982-07-01	21896.67
1982-10-01	22273.33
1983-01-01	22590.00
1983-04-01	22593.33
1983-07-01	22650.00
1983-10-01	22700.00
1984-01-01	22520.00
1984-04-01	22776.67
1984-07-01	22943.33
1984-10-01	23023.33
1985-01-01	23056.67
1985-04-01	23006.67
1985-07-01	23086.67
1985-10-01	23013.33
1986-01-01	23263.33
1986-04-01	23186.67
1986-07-01	23306.67
1986-10-01	23346.67
1987-01-01	23360.00
1987-04-01	23526.67
1987-07-01	23630.00
1987-10-01	23893.33
1988-01-01	23923.33
1988-04-01	24046.67
1988-07-01	24143.33
1988-10-01	24230.00
1989-01-01	24400.00
1989-04-01	24706.67
1989-07-01	24863.33
1989-10-01	24976.67
1990-01-01	25226.67
1990-04-01	25280.00
1990-07-01	25433.33
1990-10-01	25500.00
1991-01-01	25773.33
1991-04-01	25833.33
1991-07-01	26003.33
1991-10-01	26080.00
1992-01-01	26173.33
1992-04-01	26120.00
1992-07-01	26130.00
1992-10-01	26336.67
1993-01-01	25990.00
1993-04-01	26040.00
1993-07-01	26136.67
1993-10-01	26230.00
1994-01-01	26150.00
1994-04-01	26260.00
1994-07-01	26053.33
1994-10-01	26126.67
1995-01-01	26226.67
1995-04-01	26160.00
1995-07-01	26126.67
1995-10-01	26050.00
1996-01-01	26110.00
1996-04-01	26236.67
1996-07-01	26410.00
1996-10-01	26346.67
1997-01-01	26546.67
1997-04-01	26603.33
1997-07-01	26750.00
1997-10-01	26710.00
1998-01-01	26760.00
1998-04-01	26590.00
1998-07-01	26523.33
1998-10-01	26380.00
1999-01-01	26250.00
1999-04-01	26370.00
1999-07-01	26356.67
1999-10-01	26276.67
2000-01-01	26170.00
2000-04-01	26270.00
2000-07-01	26306.67
2000-10-01	26410.00
2001-01-01	26500.00
2001-04-01	26273.33
2001-07-01	26116.67
2001-10-01	26283.33
2002-01-01	26043.33
2002-04-01	25843.33
2002-07-01	25880.00
2002-10-01	26003.33
2003-01-01	25896.67
2003-04-01	26000.00
2003-07-01	26013.33
2003-10-01	25993.33
2004-01-01	26143.33
2004-04-01	26116.67
2004-07-01	26263.33
2004-10-01	26110.00
2005-01-01	26253.33
2005-04-01	26380.00
2005-07-01	26436.67
2005-10-01	26266.67
2006-01-01	26460.00
2006-04-01	26386.67
2006-07-01	26560.00
2006-10-01	26686.67
2007-01-01	26443.33
2007-04-01	26686.67
2007-07-01	26543.33
2007-10-01	26716.67
2008-01-01	26546.67
2008-04-01	26676.67
2008-07-01	26500.00
2008-10-01	26520.00
2009-01-01	26500.00
2009-04-01	26340.00
2009-07-01	26420.00
2009-10-01	26276.67
2010-01-01	26423.33
2010-04-01	26306.67
2010-07-01	26460.00
2010-10-01	26496.67
2011-01-01	26095.21
2011-04-01	25132.76
2011-07-01	25496.67
2011-10-01	26473.33
2012-01-01	26500.00