Quarter	Thousands of Persons, Seasonally Adjusted
1971-04-01	476.3333
1971-07-01	480.3333
1971-10-01	490.6667
1972-01-01	494.3333
1972-04-01	495.6667
1972-07-01	490.0000
1972-10-01	488.6667
1973-01-01	481.6667
1973-04-01	476.6667
1973-07-01	468.3333
1973-10-01	461.3333
1974-01-01	464.6667
1974-04-01	469.3333
1974-07-01	471.0000
1974-10-01	472.6667
1975-01-01	485.0000
1975-04-01	506.6667
1975-07-01	526.6667
1975-10-01	552.3333
1976-01-01	572.3333
1976-04-01	586.6667
1976-07-01	599.6667
1976-10-01	608.3333
1977-01-01	614.6667
1977-04-01	622.6667
1977-07-01	638.6667
1977-10-01	645.6667
1978-01-01	643.3333
1978-04-01	645.6667
1978-07-01	649.6667
1978-10-01	644.3333
1979-01-01	644.0000
1979-04-01	649.6667
1979-07-01	660.3333
1979-10-01	673.0000
1980-01-01	701.3333
1980-04-01	739.3333
1980-07-01	790.3333
1980-10-01	852.6667
1981-01-01	909.6667
1981-04-01	950.3333
1981-07-01	978.0000
1981-10-01	1001.3330
1982-01-01	1012.6670
1982-04-01	1024.0000
1982-07-01	1040.0000
1982-10-01	1060.0000
1983-01-01	1078.6670
1983-04-01	1113.6670
1983-07-01	1175.3330
1983-10-01	1243.3330
1984-01-01	1313.0000
1984-04-01	1345.3330
1984-07-01	1328.0000
1984-10-01	1310.6670
1985-01-01	1286.6670
1985-04-01	1272.6670
1985-07-01	1270.6670
1985-10-01	1270.6670
1986-01-01	1274.3330
1986-04-01	1283.0000
1986-07-01	1296.3330
1986-10-01	1291.0000
1987-01-01	1269.0000
1987-04-01	1230.0000
1987-07-01	1178.0000
1987-10-01	1125.0000
1988-01-01	1082.6670
1988-04-01	1037.3330
1988-07-01	999.0000
1988-10-01	964.3333
1989-01-01	922.6667
1989-04-01	883.6667
1989-07-01	865.6667
1989-10-01	854.0000
1990-01-01	844.0000
1990-04-01	841.0000
1990-07-01	847.0000
1990-10-01	868.0000
1991-01-01	903.3333
1991-04-01	941.0000
1991-07-01	952.6667
1991-10-01	950.0000
1992-01-01	944.6667
1992-04-01	943.3333
1992-07-01	948.0000
1992-10-01	978.0000
1993-01-01	998.6667
1993-04-01	991.0000
1993-07-01	988.0000
1993-10-01	990.3333
1994-01-01	974.6667
1994-04-01	930.0000
1994-07-01	908.3333
1994-10-01	872.0000
1995-01-01	880.0000
1995-04-01	869.3333
1995-07-01	864.6667
1995-10-01	846.0000
1996-01-01	804.6667
1996-04-01	819.3333
1996-07-01	811.0000
1996-10-01	821.3333
1997-01-01	790.0000
1997-04-01	779.3333
1997-07-01	755.3333
1997-10-01	720.3333
1998-01-01	711.3333
1998-04-01	713.6667
1998-07-01	698.3333
1998-10-01	685.6667
1999-01-01	696.3333
1999-04-01	685.0000
1999-07-01	680.0000
1999-10-01	682.3333
2000-01-01	686.3333
2000-04-01	646.3333
2000-07-01	635.3333
2000-10-01	610.3333
2001-01-01	590.6667
2001-04-01	583.0000
2001-07-01	585.3333
2001-10-01	601.0000
2002-01-01	595.6667
2002-04-01	610.0000
2002-07-01	617.6667
2002-10-01	614.3333
2003-01-01	596.6667
2003-04-01	585.0000
2003-07-01	597.3333
2003-10-01	580.0000
2004-01-01	590.0000
2004-04-01	597.0000
2004-07-01	584.6667
2004-10-01	581.6667
2005-01-01	589.6667
2005-04-01	594.3333
2005-07-01	593.3333
2005-10-01	643.6667
2006-01-01	674.0000
2006-04-01	707.3333
2006-07-01	715.0000
2006-10-01	724.6667
2007-01-01	723.3333
2007-04-01	707.0000
2007-07-01	707.0000
2007-10-01	693.6667
2008-01-01	691.3333
2008-04-01	691.6667
2008-07-01	750.3333
2008-10-01	802.6667
2009-01-01	876.6667
2009-04-01	935.0000
2009-07-01	938.6667
2009-10-01	945.0000
2010-01-01	971.0000
2010-04-01	997.0000
2010-07-01	1025.0000
2010-10-01	1031.3330
2011-01-01	1026.6670
2011-04-01	1044.0000
2011-07-01	1087.3330
2011-10-01	1125.6670