Quarter	Thousands of Persons, Seasonally Adjusted
1955-01-01	265.3333
1955-04-01	248.3333
1955-07-01	228.3333
1955-10-01	216.6667
1956-01-01	213.3333
1956-04-01	194.0000
1956-07-01	175.6667
1956-10-01	180.3333
1957-01-01	232.3333
1957-04-01	246.6667
1957-07-01	299.0000
1957-10-01	365.0000
1958-01-01	403.6667
1958-04-01	446.6667
1958-07-01	454.0000
1958-10-01	446.3333
1959-01-01	384.6667
1959-04-01	367.3333
1959-07-01	350.3333
1959-10-01	362.6667
1960-01-01	402.3333
1960-04-01	440.3333
1960-07-01	477.0000
1960-10-01	493.3333
1961-01-01	492.0000
1961-04-01	493.0000
1961-07-01	453.0000
1961-10-01	404.6667
1962-01-01	398.3333
1962-04-01	380.0000
1962-07-01	383.3333
1962-10-01	390.6667
1963-01-01	392.0000
1963-04-01	377.3333
1963-07-01	363.0000
1963-10-01	348.0000
1964-01-01	336.6667
1964-04-01	328.3333
1964-07-01	317.0000
1964-10-01	307.0000
1965-01-01	292.6667
1965-04-01	296.0000
1965-07-01	268.6667
1965-10-01	245.3333
1966-01-01	250.6667
1966-04-01	230.6667
1966-07-01	259.6667
1966-10-01	258.3333
1967-01-01	285.3333
1967-04-01	288.0000
1967-07-01	287.0000
1967-10-01	325.0000
1968-01-01	346.6667
1968-04-01	357.3333
1968-07-01	361.0000
1968-10-01	358.6667
1969-01-01	351.0000
1969-04-01	360.3333
1969-07-01	357.3333
1969-10-01	379.6667
1970-01-01	399.3333
1970-04-01	482.6667
1970-07-01	520.0000
1970-10-01	519.0000
1971-01-01	533.3333
1971-04-01	537.3333
1971-07-01	528.6667
1971-10-01	539.0000
1972-01-01	527.3333
1972-04-01	537.3333
1972-07-01	571.3333
1972-10-01	583.3333
1973-01-01	535.0000
1973-04-01	499.3333
1973-07-01	501.0000
1973-10-01	519.6667
1974-01-01	500.6667
1974-04-01	495.3333
1974-07-01	508.6667
1974-10-01	552.6667
1975-01-01	658.6667
1975-04-01	679.0000
1975-07-01	700.6667
1975-10-01	724.3333
1976-01-01	719.2667
1976-04-01	720.1667
1976-07-01	756.2000
1976-10-01	783.0333
1977-01-01	828.6667
1977-04-01	843.7333
1977-07-01	890.7000
1977-10-01	915.8000
1978-01-01	916.7667
1978-04-01	940.8000
1978-07-01	950.1000
1978-10-01	928.0333
1979-01-01	914.8000
1979-04-01	875.4000
1979-07-01	819.5333
1979-10-01	848.3333
1980-01-01	891.0000
1980-04-01	918.5667
1980-07-01	895.8667
1980-10-01	869.1667
1981-01-01	899.0000
1981-04-01	878.8667
1981-07-01	915.2667
1981-10-01	1034.8670
1982-01-01	1096.4000
1982-04-01	1281.6000
1982-07-01	1502.8000
1982-10-01	1600.3330
1983-01-01	1562.8330
1983-04-01	1556.4330
1983-07-01	1479.0000
1983-10-01	1409.2330
1984-01-01	1418.0000
1984-04-01	1460.9330
1984-07-01	1459.5330
1984-10-01	1453.7330
1985-01-01	1410.2670
1985-04-01	1402.4000
1985-07-01	1361.7000
1985-10-01	1361.5670
1986-01-01	1316.3670
1986-04-01	1288.2000
1986-07-01	1279.1670
1986-10-01	1261.5330
1987-01-01	1272.0330
1987-04-01	1217.3670
1987-07-01	1162.7000
1987-10-01	1111.9000
1988-01-01	1079.2330
1988-04-01	1057.3330
1988-07-01	1085.2000
1988-10-01	1057.8000
1989-01-01	1057.1670
1989-04-01	1074.7330
1989-07-01	1044.7000
1989-10-01	1058.8000
1990-01-01	1083.6670
1990-04-01	1085.6000
1990-07-01	1162.8330
1990-10-01	1313.4330
1991-01-01	1448.9000
1991-04-01	1481.0000
1991-07-01	1494.7670
1991-10-01	1483.4670
1992-01-01	1517.8000
1992-04-01	1583.6330
1992-07-01	1647.1330
1992-10-01	1688.6330
1993-01-01	1595.7330
1993-04-01	1684.7670
1993-07-01	1660.6330
1993-10-01	1634.5330
1994-01-01	1594.2330
1994-04-01	1551.3000
1994-07-01	1482.3330
1994-10-01	1425.0000
1995-01-01	1410.7000
1995-04-01	1392.3670
1995-07-01	1393.0000
1995-10-01	1368.7670
1996-01-01	1406.3330
1996-04-01	1399.3330
1996-07-01	1443.1000
1996-10-01	1467.9000
1997-01-01	1412.6330
1997-04-01	1399.8330
1997-07-01	1342.8330
1997-10-01	1325.6000
1998-01-01	1304.6330
1998-04-01	1267.8000
1998-07-01	1258.0000
1998-10-01	1244.1000
1999-01-01	1222.7670
1999-04-01	1231.6670
1999-07-01	1169.8330
1999-10-01	1089.8330
2000-01-01	1077.1670
2000-04-01	1057.6670
2000-07-01	1095.0670
2000-10-01	1104.7670
2001-01-01	1122.7000
2001-04-01	1143.1000
2001-07-01	1166.3670
2001-10-01	1251.9670
2002-01-01	1294.7330
2002-04-01	1271.3330
2002-07-01	1258.1670
2002-10-01	1253.3670
2003-01-01	1250.7330
2003-04-01	1305.9330
2003-07-01	1325.5670
2003-10-01	1265.6000
2004-01-01	1253.7670
2004-04-01	1235.5000
2004-07-01	1199.5670
2004-10-01	1230.0670
2005-01-01	1205.9670
2005-04-01	1177.3330
2005-07-01	1154.2670
2005-10-01	1131.4670
2006-01-01	1124.2670
2006-04-01	1077.7330
2006-07-01	1124.6330
2006-10-01	1093.0330
2007-01-01	1099.7670
2007-04-01	1079.2330
2007-07-01	1075.4000
2007-10-01	1073.5670
2008-01-01	1081.5670
2008-04-01	1100.7000
2008-07-01	1112.5000
2008-10-01	1179.5000
2009-01-01	1427.3000
2009-04-01	1540.5670
2009-07-01	1564.9670
2009-10-01	1543.0670
2010-01-01	1509.2670
2010-04-01	1485.5670
2010-07-01	1496.1000
2010-10-01	1429.3330
2011-01-01	1435.0670
2011-04-01	1393.4670
2011-07-01	1355.8330
2011-10-01	1391.7330
2012-01-01	1387.8670