Quarter	Thousands of Persons, Seasonally Adjusted
2001-01-01	1230.390
2001-04-01	1245.110
2001-07-01	1247.944
2001-10-01	1220.984
2002-01-01	1227.819
2002-04-01	1227.530
2002-07-01	1237.814
2002-10-01	1258.956
2003-01-01	1249.231
2003-04-01	1247.535
2003-07-01	1257.851
2003-10-01	1276.212
2004-01-01	1289.813
2004-04-01	1297.221
2004-07-01	1305.094
2004-10-01	1309.818
2005-01-01	1317.678
2005-04-01	1336.879
2005-07-01	1349.190
2005-10-01	1356.932
2006-01-01	1365.751
2006-04-01	1380.778
2006-07-01	1377.926
2006-10-01	1411.171
2007-01-01	1428.338
2007-04-01	1433.550
2007-07-01	1445.951
2007-10-01	1460.154
2008-01-01	1487.823
2008-04-01	1484.674
2008-07-01	1488.348
2008-10-01	1495.577
2009-01-01	1508.341
2009-04-01	1494.478
2009-07-01	1499.440
2009-10-01	1506.530
2010-01-01	1517.486
2010-04-01	1554.197
2010-07-01	1561.666
2010-10-01	1573.160
2011-01-01	1577.792
2011-04-01	1600.854
2011-07-01	1614.566
2011-10-01	1621.893