Quarter	Thousands of Persons, Seasonally Adjusted
1956-01-01	186.1961
1956-04-01	169.0452
1956-07-01	151.3308
1956-10-01	154.9431
1957-01-01	204.5452
1957-04-01	219.1809
1957-07-01	266.3267
1957-10-01	319.7660
1958-01-01	353.6801
1958-04-01	393.6073
1958-07-01	399.3555
1958-10-01	388.6865
1959-01-01	339.0364
1959-04-01	323.1251
1959-07-01	302.0953
1959-10-01	311.9726
1960-01-01	349.9255
1960-04-01	379.9572
1960-07-01	415.9827
1960-10-01	428.4650
1961-01-01	424.1124
1961-04-01	424.4458
1961-07-01	389.9675
1961-10-01	346.8180
1962-01-01	338.7934
1962-04-01	322.2857
1962-07-01	324.8297
1962-10-01	327.1096
1963-01-01	329.0577
1963-04-01	317.6403
1963-07-01	296.5473
1963-10-01	283.5581
1964-01-01	279.8420
1964-04-01	268.2278
1964-07-01	247.9894
1964-10-01	241.0566
1965-01-01	239.8559
1965-04-01	241.7716
1965-07-01	205.4514
1965-10-01	184.4573
1966-01-01	167.1310
1966-04-01	164.7225
1966-07-01	187.7705
1966-10-01	169.2465
1967-01-01	189.1125
1967-04-01	199.6110
1967-07-01	202.9849
1967-10-01	222.0667
1968-01-01	242.5792
1968-04-01	247.8443
1968-07-01	244.1840
1968-10-01	238.6433
1969-01-01	228.8047
1969-04-01	234.4655
1969-07-01	233.0983
1969-10-01	242.7396
1970-01-01	264.5213
1970-04-01	320.8783
1970-07-01	338.0737
1970-10-01	332.6187
1971-01-01	340.7912
1971-04-01	340.9893
1971-07-01	337.1765
1971-10-01	329.1365
1972-01-01	316.4628
1972-04-01	331.2843
1972-07-01	355.0818
1972-10-01	351.5354
1973-01-01	308.7442
1973-04-01	283.1507
1973-07-01	287.5807
1973-10-01	297.7821
1974-01-01	289.1707
1974-04-01	280.6025
1974-07-01	287.3653
1974-10-01	319.8367
1975-01-01	377.4535
1975-04-01	389.1985
1975-07-01	402.1452
1975-10-01	403.3606
1976-01-01	410.4000
1976-04-01	408.8667
1976-07-01	419.0333
1976-10-01	445.7000
1977-01-01	469.7333
1977-04-01	479.0667
1977-07-01	509.0000
1977-10-01	513.8333
1978-01-01	517.2667
1978-04-01	530.6000
1978-07-01	530.1333
1978-10-01	508.9333
1979-01-01	506.3000
1979-04-01	479.7333
1979-07-01	435.4000
1979-10-01	460.6333
1980-01-01	492.7000
1980-04-01	514.6000
1980-07-01	501.3667
1980-10-01	487.8000
1981-01-01	504.1000
1981-04-01	491.0000
1981-07-01	509.0667
1981-10-01	581.6667
1982-01-01	640.5667
1982-04-01	762.4000
1982-07-01	924.2667
1982-10-01	978.7000
1983-01-01	932.6667
1983-04-01	940.3000
1983-07-01	892.9667
1983-10-01	834.3333
1984-01-01	829.6333
1984-04-01	856.0667
1984-07-01	848.5000
1984-10-01	833.2333
1985-01-01	824.1667
1985-04-01	800.3000
1985-07-01	772.4667
1985-10-01	774.5333
1986-01-01	740.3000
1986-04-01	727.9000
1986-07-01	729.6333
1986-10-01	704.3333
1987-01-01	708.0000
1987-04-01	667.1000
1987-07-01	635.7333
1987-10-01	601.7667
1988-01-01	584.4333
1988-04-01	572.5333
1988-07-01	573.6667
1988-10-01	575.2333
1989-01-01	578.9667
1989-04-01	586.0667
1989-07-01	566.3333
1989-10-01	583.4667
1990-01-01	601.6000
1990-04-01	598.6667
1990-07-01	653.3333
1990-10-01	743.5667
1991-01-01	836.4333
1991-04-01	859.5000
1991-07-01	869.6000
1991-10-01	860.2667
1992-01-01	891.7000
1992-04-01	947.7333
1992-07-01	983.2000
1992-10-01	994.3667
1993-01-01	926.5000
1993-04-01	970.1667
1993-07-01	965.3667
1993-10-01	941.1000
1994-01-01	926.2667
1994-04-01	887.2333
1994-07-01	851.7333
1994-10-01	816.2667
1995-01-01	790.2667
1995-04-01	794.8000
1995-07-01	789.3000
1995-10-01	772.7000
1996-01-01	800.8000
1996-04-01	796.0667
1996-07-01	799.6333
1996-10-01	822.9667
1997-01-01	794.8000
1997-04-01	774.7000
1997-07-01	745.3333
1997-10-01	727.0667
1998-01-01	712.8667
1998-04-01	706.0333
1998-07-01	712.0667
1998-10-01	707.7000
1999-01-01	682.5333
1999-04-01	679.7000
1999-07-01	663.0000
1999-10-01	613.2000
2000-01-01	592.8000
2000-04-01	588.9667
2000-07-01	599.2000
2000-10-01	603.8667
2001-01-01	625.7667
2001-04-01	645.2333
2001-07-01	651.8000
2001-10-01	717.8667
2002-01-01	752.4333
2002-04-01	720.3000
2002-07-01	712.5000
2002-10-01	712.2333
2003-01-01	699.6000
2003-04-01	728.5000
2003-07-01	749.5000
2003-10-01	713.7667
2004-01-01	701.6333
2004-04-01	691.1667
2004-07-01	655.3667
2004-10-01	676.7667
2005-01-01	672.2000
2005-04-01	655.0667
2005-07-01	640.4667
2005-10-01	611.3333
2006-01-01	610.7667
2006-04-01	580.8333
2006-07-01	622.3667
2006-10-01	607.9333
2007-01-01	617.0667
2007-04-01	605.3333
2007-07-01	592.6000
2007-10-01	613.4333
2008-01-01	604.8667
2008-04-01	626.1333
2008-07-01	624.8000
2008-10-01	678.8667
2009-01-01	858.2333
2009-04-01	934.5333
2009-07-01	939.6333
2009-10-01	920.8667
2010-01-01	888.7667
2010-04-01	856.1667
2010-07-01	847.7333
2010-10-01	801.6000
2011-01-01	799.6333
2011-04-01	770.2000
2011-07-01	754.4667
2011-10-01	773.0667
2012-01-01	769.7667