Quarter	Thousands of Persons, Seasonally Adjusted
1955-01-01	18814.00
1955-04-01	19256.67
1955-07-01	19846.00
1955-10-01	20129.67
1956-01-01	20157.00
1956-04-01	20382.00
1956-07-01	20546.33
1956-10-01	20572.67
1957-01-01	20656.33
1957-04-01	20583.67
1957-07-01	20791.33
1957-10-01	20836.00
1958-01-01	20556.33
1958-04-01	20577.00
1958-07-01	20585.00
1958-10-01	20743.33
1959-01-01	20914.33
1959-04-01	21190.00
1959-07-01	21211.33
1959-10-01	21330.33
1960-01-01	21342.00
1960-04-01	22056.33
1960-07-01	22121.00
1960-10-01	22001.33
1961-01-01	22178.67
1961-04-01	22070.67
1961-07-01	21992.00
1961-10-01	22132.67
1962-01-01	22356.33
1962-04-01	22430.67
1962-07-01	22654.67
1962-10-01	22634.67
1963-01-01	22873.00
1963-04-01	23082.00
1963-07-01	23109.00
1963-10-01	23347.00
1964-01-01	23548.33
1964-04-01	23958.33
1964-07-01	23846.00
1964-10-01	23973.67
1965-01-01	24207.00
1965-04-01	24587.33
1965-07-01	24935.00
1965-10-01	25220.00
1966-01-01	25440.67
1966-04-01	25686.00
1966-07-01	26146.67
1966-10-01	26603.00
1967-01-01	26395.00
1967-04-01	26701.33
1967-07-01	27048.33
1967-10-01	27433.67
1968-01-01	27370.67
1968-04-01	27864.33
1968-07-01	27870.67
1968-10-01	28129.67
1969-01-01	28531.00
1969-04-01	28925.33
1969-07-01	29275.67
1969-10-01	29560.33
1970-01-01	29647.67
1970-04-01	29641.67
1970-07-01	29721.00
1970-10-01	29730.33
1971-01-01	29786.33
1971-04-01	29689.00
1971-07-01	29959.33
1971-10-01	30455.67
1972-01-01	30964.33
1972-04-01	31147.00
1972-07-01	31305.33
1972-10-01	31612.67
1973-01-01	32009.00
1973-04-01	32657.67
1973-07-01	32859.00
1973-10-01	33318.33
1974-01-01	33480.33
1974-04-01	33766.33
1974-07-01	34050.67
1974-10-01	33804.00
1975-01-01	33560.67
1975-04-01	33748.67
1975-07-01	34179.33
1975-10-01	34438.67
1976-01-01	35046.00
1976-04-01	35545.33
1976-07-01	35805.00
1976-10-01	36058.33
1977-01-01	36465.33
1977-04-01	37151.00
1977-07-01	37500.33
1977-10-01	38031.00
1978-01-01	38709.00
1978-04-01	39416.67
1978-07-01	39762.00
1978-10-01	40385.67
1979-01-01	40787.00
1979-04-01	40865.33
1979-07-01	41328.00
1979-10-01	41870.67
1980-01-01	42082.67
1980-04-01	41958.33
1980-07-01	42095.00
1980-10-01	42322.67
1981-01-01	42795.67
1981-04-01	43167.00
1981-07-01	42977.00
1981-10-01	43071.33
1982-01-01	43067.67
1982-04-01	43262.67
1982-07-01	43435.67
1982-10-01	43264.00
1983-01-01	43378.00
1983-04-01	43591.33
1983-07-01	44404.00
1983-10-01	44799.00
1984-01-01	45208.67
1984-04-01	45985.67
1984-07-01	46089.00
1984-10-01	46358.67
1985-01-01	46978.67
1985-04-01	47004.00
1985-07-01	47246.67
1985-10-01	47801.67
1986-01-01	48050.33
1986-04-01	48488.33
1986-07-01	49042.00
1986-10-01	49245.33
1987-01-01	49568.00
1987-04-01	50229.67
1987-07-01	50599.67
1987-10-01	50932.67
1988-01-01	51247.67
1988-04-01	51365.00
1988-07-01	51758.67
1988-10-01	52439.00
1989-01-01	52805.67
1989-04-01	52850.00
1989-07-01	53114.33
1989-10-01	53338.00
1990-01-01	53743.33
1990-04-01	53755.33
1990-07-01	53700.00
1990-10-01	53554.00
1991-01-01	53410.00
1991-04-01	53508.67
1991-07-01	53465.33
1991-10-01	53589.33
1992-01-01	53875.00
1992-04-01	53996.67
1992-07-01	54136.67
1992-10-01	54192.00
1993-01-01	54361.33
1993-04-01	54727.33
1993-07-01	55072.67
1993-10-01	55463.67
1994-01-01	56116.67
1994-04-01	56471.00
1994-07-01	56737.67
1994-10-01	57127.67
1995-01-01	57273.00
1995-04-01	57352.67
1995-07-01	57593.33
1995-10-01	57871.00
1996-01-01	57902.00
1996-04-01	58235.33
1996-07-01	58747.00
1996-10-01	59135.00
1997-01-01	59324.00
1997-04-01	59719.33
1997-07-01	60113.67
1997-10-01	60359.67
1998-01-01	60506.67
1998-04-01	60600.00
1998-07-01	60869.67
1998-10-01	61148.67
1999-01-01	61696.33
1999-04-01	61922.00
1999-07-01	62096.67
1999-10-01	62497.33
2000-01-01	63394.33
2000-04-01	63675.33
2000-07-01	63425.00
2000-10-01	63873.00
2001-01-01	64149.33
2001-04-01	63804.00
2001-07-01	63573.33
2001-10-01	63434.67
2002-01-01	63443.67
2002-04-01	63393.67
2002-07-01	63682.00
2002-10-01	63794.33
2003-01-01	64376.33
2003-04-01	64526.67
2003-07-01	64294.33
2003-10-01	64399.33
2004-01-01	64353.33
2004-04-01	64699.00
2004-07-01	64796.00
2004-10-01	65033.33
2005-01-01	65256.00
2005-04-01	65565.33
2005-07-01	65978.33
2005-10-01	66185.33
2006-01-01	66348.00
2006-04-01	66761.33
2006-07-01	67088.00
2006-10-01	67494.66
2007-01-01	67780.34
2007-04-01	67566.66
2007-07-01	67863.34
2007-10-01	67971.34
2008-01-01	68009.66
2008-04-01	68048.66
2008-07-01	67860.00
2008-10-01	67613.00
2009-01-01	66864.33
2009-04-01	66461.33
2009-07-01	66018.00
2009-10-01	65515.67
2010-01-01	65814.33
2010-04-01	65758.00
2010-07-01	65688.00
2010-10-01	65580.33
2011-01-01	65586.00
2011-04-01	65522.00
2011-07-01	65552.00
2011-10-01	65666.33
2012-01-01	66587.00