Quarter	Thousands of Persons, Seasonally Adjusted
1971-04-01	566.6667
1971-07-01	597.3333
1971-10-01	639.0000
1972-01-01	660.6667
1972-04-01	643.3333
1972-07-01	609.6667
1972-10-01	579.0000
1973-01-01	522.6667
1973-04-01	490.6667
1973-07-01	459.6667
1973-10-01	432.3333
1974-01-01	455.0000
1974-04-01	468.3333
1974-07-01	487.0000
1974-10-01	505.3333
1975-01-01	545.3333
1975-04-01	619.0000
1975-07-01	695.3333
1975-10-01	763.6667
1976-01-01	805.0000
1976-04-01	825.3333
1976-07-01	829.0000
1976-10-01	824.3333
1977-01-01	821.6667
1977-04-01	831.0000
1977-07-01	852.3333
1977-10-01	851.6667
1978-01-01	832.3333
1978-04-01	817.0000
1978-07-01	805.3333
1978-10-01	778.6667
1979-01-01	773.3333
1979-04-01	759.0000
1979-07-01	770.3333
1979-10-01	798.0000
1980-01-01	859.3333
1980-04-01	962.3333
1980-07-01	1116.6670
1980-10-01	1314.3330
1981-01-01	1493.3330
1981-04-01	1635.0000
1981-07-01	1706.3330
1981-10-01	1759.0000
1982-01-01	1790.6670
1982-04-01	1816.0000
1982-07-01	1857.3330
1982-10-01	1897.6670
1983-01-01	1920.0000
1983-04-01	1935.3330
1983-07-01	1934.0000
1983-10-01	1923.6670
1984-01-01	1927.3330
1984-04-01	1920.6670
1984-07-01	1910.0000
1984-10-01	1907.0000
1985-01-01	1894.6670
1985-04-01	1878.0000
1985-07-01	1866.6670
1985-10-01	1864.3330
1986-01-01	1873.0000
1986-04-01	1877.0000
1986-07-01	1878.0000
1986-10-01	1866.0000
1987-01-01	1843.3330
1987-04-01	1788.3330
1987-07-01	1706.0000
1987-10-01	1617.0000
1988-01-01	1530.3330
1988-04-01	1452.0000
1988-07-01	1388.0000
1988-10-01	1328.6670
1989-01-01	1254.6670
1989-04-01	1203.0000
1989-07-01	1179.6670
1989-10-01	1166.0000
1990-01-01	1160.3330
1990-04-01	1163.6670
1990-07-01	1204.0000
1990-10-01	1288.3330
1991-01-01	1406.3330
1991-04-01	1550.6670
1991-07-01	1667.6670
1991-10-01	1745.0000
1992-01-01	1815.3330
1992-04-01	1848.3330
1992-07-01	1879.0000
1992-10-01	1959.6670
1993-01-01	2006.3330
1993-04-01	1945.6670
1993-07-01	1908.0000
1993-10-01	1900.3330
1994-01-01	1832.0000
1994-04-01	1800.3330
1994-07-01	1737.6670
1994-10-01	1652.3330
1995-01-01	1614.3330
1995-04-01	1585.3330
1995-07-01	1576.6670
1995-10-01	1537.3330
1996-01-01	1541.0000
1996-04-01	1514.6670
1996-07-01	1475.0000
1996-10-01	1403.0000
1997-01-01	1299.0000
1997-04-01	1280.6670
1997-07-01	1205.0000
1997-10-01	1137.0000
1998-01-01	1098.3330
1998-04-01	1078.6670
1998-07-01	1093.3330
1998-10-01	1088.3330
1999-01-01	1086.0000
1999-04-01	1057.0000
1999-07-01	1018.0000
1999-10-01	1010.6670
2000-01-01	987.6667
2000-04-01	950.6667
2000-07-01	913.6667
2000-10-01	911.3333
2001-01-01	894.6667
2001-04-01	873.6667
2001-07-01	900.3333
2001-10-01	910.0000
2002-01-01	919.0000
2002-04-01	919.0000
2002-07-01	931.6667
2002-10-01	895.0000
2003-01-01	924.3333
2003-04-01	901.3333
2003-07-01	896.3333
2003-10-01	874.3333
2004-01-01	847.6667
2004-04-01	836.6667
2004-07-01	818.6667
2004-10-01	839.6667
2005-01-01	840.3333
2005-04-01	839.6667
2005-07-01	861.6667
2005-10-01	913.0000
2006-01-01	935.6667
2006-04-01	976.3333
2006-07-01	979.0000
2006-10-01	970.6667
2007-01-01	975.6667
2007-04-01	947.0000
2007-07-01	935.3333
2007-10-01	928.0000
2008-01-01	941.6667
2008-04-01	977.0000
2008-07-01	1082.3330
2008-10-01	1198.6670
2009-01-01	1333.6670
2009-04-01	1491.6670
2009-07-01	1534.3330
2009-10-01	1501.6670
2010-01-01	1525.6670
2010-04-01	1471.0000
2010-07-01	1442.6670
2010-10-01	1470.0000
2011-01-01	1427.3330
2011-04-01	1441.3330
2011-07-01	1521.3330
2011-10-01	1548.3330