Quarter	Thousands of Persons, Seasonally Adjusted
1955-01-01	19809.67
1955-04-01	20213.00
1955-07-01	20852.00
1955-10-01	21177.33
1956-01-01	21133.33
1956-04-01	21447.00
1956-07-01	21634.67
1956-10-01	21593.67
1957-01-01	21637.00
1957-04-01	21567.67
1957-07-01	21812.00
1957-10-01	21917.33
1958-01-01	21957.33
1958-04-01	22203.33
1958-07-01	22175.00
1958-10-01	22135.33
1959-01-01	22274.33
1959-04-01	22498.33
1959-07-01	22476.67
1959-10-01	22667.67
1960-01-01	22614.67
1960-04-01	23360.00
1960-07-01	23474.00
1960-10-01	23560.33
1961-01-01	23902.67
1961-04-01	23853.67
1961-07-01	23736.00
1961-10-01	23738.00
1962-01-01	23878.67
1962-04-01	23865.33
1962-07-01	24165.67
1962-10-01	24136.00
1963-01-01	24430.33
1963-04-01	24673.33
1963-07-01	24713.33
1963-10-01	24979.33
1964-01-01	25202.33
1964-04-01	25565.67
1964-07-01	25359.00
1964-10-01	25520.67
1965-01-01	25767.00
1965-04-01	26073.67
1965-07-01	26330.33
1965-10-01	26599.67
1966-01-01	26726.00
1966-04-01	27035.33
1966-07-01	27474.00
1966-10-01	27932.33
1967-01-01	27847.00
1967-04-01	28106.33
1967-07-01	28510.67
1967-10-01	28978.33
1968-01-01	28801.00
1968-04-01	29258.00
1968-07-01	29255.67
1968-10-01	29484.00
1969-01-01	29899.33
1969-04-01	30357.33
1969-07-01	30730.00
1969-10-01	31003.33
1970-01-01	31276.67
1970-04-01	31409.00
1970-07-01	31620.33
1970-10-01	31878.00
1971-01-01	31995.33
1971-04-01	31902.67
1971-07-01	32203.33
1971-10-01	32709.00
1972-01-01	33143.67
1972-04-01	33393.67
1972-07-01	33609.33
1972-10-01	33778.00
1973-01-01	34088.67
1973-04-01	34726.00
1973-07-01	34969.67
1973-10-01	35422.33
1974-01-01	35690.67
1974-04-01	36016.00
1974-07-01	36535.00
1974-10-01	36644.33
1975-01-01	37006.33
1975-04-01	37351.00
1975-07-01	37634.67
1975-10-01	37886.00
1976-01-01	38398.00
1976-04-01	38784.67
1976-07-01	39264.00
1976-10-01	39461.67
1977-01-01	39875.00
1977-04-01	40474.67
1977-07-01	40805.00
1977-10-01	41273.33
1978-01-01	41760.00
1978-04-01	42470.00
1978-07-01	42903.67
1978-10-01	43376.00
1979-01-01	43797.67
1979-04-01	43840.33
1979-07-01	44350.00
1979-10-01	44928.00
1980-01-01	45217.67
1980-04-01	45327.67
1980-07-01	45566.67
1980-10-01	45827.67
1981-01-01	46374.00
1981-04-01	46773.67
1981-07-01	46633.00
1981-10-01	47019.00
1982-01-01	47209.67
1982-04-01	47681.67
1982-07-01	48003.33
1982-10-01	48154.33
1983-01-01	48150.33
1983-04-01	48243.67
1983-07-01	48744.00
1983-10-01	48864.67
1984-01-01	49064.00
1984-04-01	49763.00
1984-07-01	49892.67
1984-10-01	50106.33
1985-01-01	50802.00
1985-04-01	50841.67
1985-07-01	51032.33
1985-10-01	51520.67
1986-01-01	51810.67
1986-04-01	52312.33
1986-07-01	52696.33
1986-10-01	52833.67
1987-01-01	53079.33
1987-04-01	53534.00
1987-07-01	53838.67
1987-10-01	54171.67
1988-01-01	54408.67
1988-04-01	54393.67
1988-07-01	54796.33
1988-10-01	55386.33
1989-01-01	55720.67
1989-04-01	55877.00
1989-07-01	56152.33
1989-10-01	56367.33
1990-01-01	56772.00
1990-04-01	56769.33
1990-07-01	56896.00
1990-10-01	56876.33
1991-01-01	56951.00
1991-04-01	57187.00
1991-07-01	57113.33
1991-10-01	57461.33
1992-01-01	57814.00
1992-04-01	58109.33
1992-07-01	58353.33
1992-10-01	58282.67
1993-01-01	58321.67
1993-04-01	58673.67
1993-07-01	58867.33
1993-10-01	59302.33
1994-01-01	59962.67
1994-04-01	60167.33
1994-07-01	60312.67
1994-10-01	60523.67
1995-01-01	60614.67
1995-04-01	60816.33
1995-07-01	61067.67
1995-10-01	61282.33
1996-01-01	61266.33
1996-04-01	61571.00
1996-07-01	62041.33
1996-10-01	62584.00
1997-01-01	62643.67
1997-04-01	62911.67
1997-07-01	63258.33
1997-10-01	63355.00
1998-01-01	63544.00
1998-04-01	63495.67
1998-07-01	63776.67
1998-10-01	64077.67
1999-01-01	64567.67
1999-04-01	64759.33
1999-07-01	64936.00
1999-10-01	65200.00
2000-01-01	66159.00
2000-04-01	66404.67
2000-07-01	66198.33
2000-10-01	66462.67
2001-01-01	66940.67
2001-04-01	66672.00
2001-07-01	66755.33
2001-10-01	67068.33
2002-01-01	67176.34
2002-04-01	67262.34
2002-07-01	67409.66
2002-10-01	67584.00
2003-01-01	68177.66
2003-04-01	68463.66
2003-07-01	68205.66
2003-10-01	68182.00
2004-01-01	68200.00
2004-04-01	68428.34
2004-07-01	68409.66
2004-10-01	68588.66
2005-01-01	68814.66
2005-04-01	69144.34
2005-07-01	69447.34
2005-10-01	69700.66
2006-01-01	69676.00
2006-04-01	69982.66
2006-07-01	70382.66
2006-10-01	70623.00
2007-01-01	70871.66
2007-04-01	70647.00
2007-07-01	71123.66
2007-10-01	71315.34
2008-01-01	71447.66
2008-04-01	71700.66
2008-07-01	71868.34
2008-10-01	72074.00
2009-01-01	72120.34
2009-04-01	72224.00
2009-07-01	72023.34
2009-10-01	71722.34
2010-01-01	71970.66
2010-04-01	71959.00
2010-07-01	71823.66
2010-10-01	71901.00
2011-01-01	71634.00
2011-04-01	71600.66
2011-07-01	71677.34
2011-10-01	71656.00
2012-01-01	72520.34