Quarter	Thousands of Persons, Seasonally Adjusted
1955-01-01	16833.33
1955-04-01	17393.33
1955-07-01	17583.33
1955-10-01	17736.67
1956-01-01	17556.67
1956-04-01	17730.00
1956-07-01	17680.00
1956-10-01	17650.00
1957-01-01	18160.00
1957-04-01	17683.33
1957-07-01	17990.00
1957-10-01	18156.67
1958-01-01	18173.33
1958-04-01	18033.33
1958-07-01	17840.00
1958-10-01	18053.33
1959-01-01	17993.33
1959-04-01	18193.33
1959-07-01	18043.33
1959-10-01	18086.67
1960-01-01	18086.67
1960-04-01	18276.67
1960-07-01	18646.67
1960-10-01	18483.33
1961-01-01	18670.00
1961-04-01	18403.33
1961-07-01	18443.33
1961-10-01	18690.00
1962-01-01	18590.00
1962-04-01	18600.00
1962-07-01	18656.67
1962-10-01	18640.00
1963-01-01	18466.67
1963-04-01	18596.67
1963-07-01	18683.33
1963-10-01	18743.33
1964-01-01	18833.33
1964-04-01	18843.33
1964-07-01	18740.00
1964-10-01	18760.00
1965-01-01	18946.67
1965-04-01	18910.00
1965-07-01	19120.00
1965-10-01	19196.67
1966-01-01	19436.67
1966-04-01	19396.67
1966-07-01	19550.00
1966-10-01	19616.67
1967-01-01	19740.00
1967-04-01	20046.67
1967-07-01	19860.00
1967-10-01	19973.33
1968-01-01	19883.33
1968-04-01	20063.33
1968-07-01	20093.33
1968-10-01	20086.67
1969-01-01	20000.00
1969-04-01	20066.67
1969-07-01	20160.00
1969-10-01	20080.00
1970-01-01	20133.33
1970-04-01	20310.00
1970-07-01	20360.00
1970-10-01	20156.67
1971-01-01	20166.67
1971-04-01	20093.33
1971-07-01	20026.67
1971-10-01	19900.00
1972-01-01	19800.00
1972-04-01	19636.67
1972-07-01	19903.33
1972-10-01	20283.33
1973-01-01	20703.33
1973-04-01	20263.33
1973-07-01	20353.33
1973-10-01	20610.00
1974-01-01	20163.33
1974-04-01	20123.33
1974-07-01	19856.67
1974-10-01	19853.33
1975-01-01	19726.67
1975-04-01	19946.67
1975-07-01	20003.33
1975-10-01	19803.33
1976-01-01	20030.00
1976-04-01	19923.33
1976-07-01	20230.00
1976-10-01	20223.33
1977-01-01	20410.00
1977-04-01	20710.00
1977-07-01	20776.67
1977-10-01	20906.67
1978-01-01	21026.67
1978-04-01	21303.33
1978-07-01	21233.33
1978-10-01	21456.67
1979-01-01	21560.00
1979-04-01	21493.33
1979-07-01	21633.33
1979-10-01	21706.67
1980-01-01	21650.00
1980-04-01	21803.33
1980-07-01	22073.33
1980-10-01	21873.33
1981-01-01	21870.00
1981-04-01	22043.33
1981-07-01	22103.33
1981-10-01	22360.00
1982-01-01	22426.67
1982-04-01	22423.33
1982-07-01	22423.33
1982-10-01	22836.67
1983-01-01	23200.00
1983-04-01	23196.67
1983-07-01	23280.00
1983-10-01	23310.00
1984-01-01	23180.00
1984-04-01	23420.00
1984-07-01	23593.33
1984-10-01	23676.67
1985-01-01	23663.33
1985-04-01	23626.67
1985-07-01	23730.00
1985-10-01	23683.33
1986-01-01	23920.00
1986-04-01	23856.67
1986-07-01	24010.00
1986-10-01	24020.00
1987-01-01	24083.33
1987-04-01	24253.33
1987-07-01	24273.33
1987-10-01	24550.00
1988-01-01	24580.00
1988-04-01	24670.00
1988-07-01	24790.00
1988-10-01	24866.67
1989-01-01	25026.67
1989-04-01	25286.67
1989-07-01	25440.00
1989-10-01	25553.33
1990-01-01	25783.33
1990-04-01	25866.67
1990-07-01	26006.67
1990-10-01	26056.67
1991-01-01	26303.33
1991-04-01	26433.33
1991-07-01	26616.67
1991-10-01	26690.00
1992-01-01	26760.00
1992-04-01	26690.00
1992-07-01	26733.33
1992-10-01	26983.33
1993-01-01	26663.33
1993-04-01	26723.33
1993-07-01	26843.33
1993-10-01	27003.33
1994-01-01	26963.33
1994-04-01	27036.67
1994-07-01	26850.00
1994-10-01	26916.67
1995-01-01	27053.33
1995-04-01	27020.00
1995-07-01	27020.00
1995-10-01	26953.33
1996-01-01	27026.67
1996-04-01	27153.33
1996-07-01	27316.67
1996-10-01	27266.67
1997-01-01	27476.67
1997-04-01	27556.67
1997-07-01	27676.67
1997-10-01	27690.00
1998-01-01	27740.00
1998-04-01	27690.00
1998-07-01	27673.33
1998-10-01	27580.00
1999-01-01	27493.33
1999-04-01	27583.33
1999-07-01	27626.67
1999-10-01	27496.67
2000-01-01	27400.00
2000-04-01	27526.67
2000-07-01	27510.00
2000-10-01	27653.33
2001-01-01	27766.67
2001-04-01	27540.00
2001-07-01	27463.33
2001-10-01	27646.67
2002-01-01	27453.33
2002-04-01	27256.67
2002-07-01	27273.33
2002-10-01	27370.00
2003-01-01	27293.33
2003-04-01	27386.67
2003-07-01	27333.33
2003-10-01	27296.67
2004-01-01	27396.67
2004-04-01	27333.33
2004-07-01	27473.33
2004-10-01	27273.33
2005-01-01	27410.00
2005-04-01	27530.00
2005-07-01	27590.00
2005-10-01	27456.67
2006-01-01	27520.00
2006-04-01	27476.67
2006-07-01	27636.67
2006-10-01	27726.67
2007-01-01	27520.00
2007-04-01	27670.00
2007-07-01	27546.67
2007-10-01	27766.67
2008-01-01	27606.67
2008-04-01	27733.33
2008-07-01	27560.00
2008-10-01	27593.33
2009-01-01	27753.33
2009-04-01	27650.00
2009-07-01	27800.00
2009-10-01	27626.67
2010-01-01	27683.33
2010-04-01	27610.00
2010-07-01	27706.67
2010-10-01	27740.00
2011-01-01	27300.00
2011-04-01	26260.00
2011-07-01	26566.67
2011-10-01	27583.33
2012-01-01	27666.67