Quarter	Thousands of Persons, Seasonally Adjusted
1956-01-01	27.4560
1956-04-01	27.0029
1956-07-01	25.0972
1956-10-01	22.7511
1957-01-01	27.5483
1957-04-01	30.1514
1957-07-01	35.6064
1957-10-01	41.6384
1958-01-01	50.8714
1958-04-01	55.9541
1958-07-01	56.0068
1958-10-01	54.7795
1959-01-01	46.8716
1959-04-01	44.0791
1959-07-01	46.8782
1959-10-01	49.6221
1960-01-01	54.1778
1960-04-01	58.4317
1960-07-01	60.9607
1960-10-01	66.7700
1961-01-01	68.6566
1961-04-01	67.1118
1961-07-01	62.9085
1961-10-01	60.3039
1962-01-01	58.4873
1962-04-01	58.1433
1962-07-01	58.3433
1962-10-01	62.9896
1963-01-01	62.5809
1963-04-01	61.1405
1963-07-01	63.5382
1963-10-01	60.8731
1964-01-01	58.8831
1964-04-01	62.5049
1964-07-01	61.7971
1964-10-01	63.9131
1965-01-01	58.6183
1965-04-01	58.4825
1965-07-01	53.2601
1965-10-01	53.9298
1966-01-01	72.1900
1966-04-01	74.2163
1966-07-01	87.0389
1966-10-01	86.0978
1967-01-01	87.9138
1967-04-01	93.3690
1967-07-01	92.9718
1967-10-01	97.4872
1968-01-01	100.3658
1968-04-01	113.3319
1968-07-01	123.0516
1968-10-01	116.7154
1969-01-01	120.3700
1969-04-01	126.6742
1969-07-01	126.7740
1969-10-01	134.3995
1970-01-01	135.9679
1970-04-01	159.0673
1970-07-01	178.4715
1970-10-01	185.0518
1971-01-01	192.5108
1971-04-01	196.0222
1971-07-01	191.4263
1971-10-01	208.9518
1972-01-01	211.9282
1972-04-01	207.3457
1972-07-01	214.6513
1972-10-01	231.3429
1973-01-01	225.6519
1973-04-01	219.4816
1973-07-01	214.4589
1973-10-01	220.3433
1974-01-01	212.4022
1974-04-01	214.3826
1974-07-01	224.9173
1974-10-01	232.2853
1975-01-01	277.7353
1975-04-01	296.6651
1975-07-01	301.0461
1975-10-01	320.6823
1976-01-01	308.8667
1976-04-01	311.3333
1976-07-01	337.1333
1976-10-01	337.3667
1977-01-01	359.0000
1977-04-01	364.6333
1977-07-01	381.7000
1977-10-01	402.0333
1978-01-01	399.5333
1978-04-01	410.2000
1978-07-01	420.0000
1978-10-01	419.1333
1979-01-01	408.5000
1979-04-01	395.6000
1979-07-01	384.1667
1979-10-01	387.7333
1980-01-01	398.2667
1980-04-01	403.9667
1980-07-01	394.5000
1980-10-01	381.3333
1981-01-01	394.9333
1981-04-01	387.8667
1981-07-01	406.2000
1981-10-01	453.1667
1982-01-01	455.8667
1982-04-01	519.2000
1982-07-01	578.5667
1982-10-01	621.6333
1983-01-01	630.1667
1983-04-01	616.1667
1983-07-01	586.0000
1983-10-01	574.9000
1984-01-01	588.3667
1984-04-01	604.8333
1984-07-01	611.0333
1984-10-01	620.4667
1985-01-01	586.0667
1985-04-01	602.1333
1985-07-01	589.2000
1985-10-01	587.0000
1986-01-01	576.1000
1986-04-01	560.3000
1986-07-01	549.5333
1986-10-01	557.2667
1987-01-01	564.0333
1987-04-01	550.3333
1987-07-01	526.9000
1987-10-01	510.1333
1988-01-01	494.8333
1988-04-01	484.8000
1988-07-01	511.5333
1988-10-01	482.6333
1989-01-01	478.2000
1989-04-01	488.6333
1989-07-01	478.3333
1989-10-01	475.3333
1990-01-01	482.0667
1990-04-01	486.9000
1990-07-01	509.5000
1990-10-01	569.8667
1991-01-01	612.4667
1991-04-01	621.4667
1991-07-01	625.1667
1991-10-01	623.2333
1992-01-01	626.1333
1992-04-01	635.9333
1992-07-01	663.9333
1992-10-01	694.2667
1993-01-01	669.2333
1993-04-01	714.6000
1993-07-01	695.2667
1993-10-01	693.4667
1994-01-01	667.9667
1994-04-01	664.0333
1994-07-01	630.6333
1994-10-01	608.7333
1995-01-01	620.4333
1995-04-01	597.5667
1995-07-01	603.7000
1995-10-01	596.0667
1996-01-01	605.5333
1996-04-01	603.2667
1996-07-01	643.5333
1996-10-01	644.9333
1997-01-01	617.8667
1997-04-01	625.1333
1997-07-01	597.5000
1997-10-01	598.6000
1998-01-01	591.8000
1998-04-01	561.7667
1998-07-01	545.9333
1998-10-01	536.4000
1999-01-01	540.3000
1999-04-01	552.0000
1999-07-01	506.8000
1999-10-01	476.7000
2000-01-01	484.3667
2000-04-01	468.6667
2000-07-01	495.8333
2000-10-01	500.9333
2001-01-01	497.0333
2001-04-01	497.8667
2001-07-01	514.5667
2001-10-01	534.1000
2002-01-01	542.2667
2002-04-01	551.0667
2002-07-01	545.7333
2002-10-01	541.1333
2003-01-01	551.1333
2003-04-01	577.4333
2003-07-01	576.0333
2003-10-01	551.8333
2004-01-01	552.1667
2004-04-01	544.3333
2004-07-01	544.2333
2004-10-01	553.3000
2005-01-01	533.8000
2005-04-01	522.2667
2005-07-01	513.7667
2005-10-01	520.1333
2006-01-01	513.5000
2006-04-01	496.9000
2006-07-01	502.2000
2006-10-01	485.1333
2007-01-01	482.7000
2007-04-01	473.9333
2007-07-01	482.7667
2007-10-01	460.1333
2008-01-01	476.7667
2008-04-01	474.5667
2008-07-01	487.7000
2008-10-01	500.6667
2009-01-01	569.0667
2009-04-01	606.0667
2009-07-01	625.3667
2009-10-01	622.1333
2010-01-01	620.4667
2010-04-01	629.3667
2010-07-01	648.3667
2010-10-01	627.7333
2011-01-01	635.4333
2011-04-01	623.2667
2011-07-01	601.4000
2011-10-01	618.6667
2012-01-01	618.1000