Quarter	Thousands of Persons, Seasonally Adjusted
2001-01-01	1129.681
2001-04-01	1139.645
2001-07-01	1143.309
2001-10-01	1154.920
2002-01-01	1158.993
2002-04-01	1165.084
2002-07-01	1175.674
2002-10-01	1182.310
2003-01-01	1192.352
2003-04-01	1197.841
2003-07-01	1218.099
2003-10-01	1231.020
2004-01-01	1240.381
2004-04-01	1239.161
2004-07-01	1240.545
2004-10-01	1247.745
2005-01-01	1257.065
2005-04-01	1266.979
2005-07-01	1269.445
2005-10-01	1308.715
2006-01-01	1293.403
2006-04-01	1308.633
2006-07-01	1312.974
2006-10-01	1316.623
2007-01-01	1329.262
2007-04-01	1351.923
2007-07-01	1355.858
2007-10-01	1351.633
2008-01-01	1365.094
2008-04-01	1368.611
2008-07-01	1377.257
2008-10-01	1396.478
2009-01-01	1442.162
2009-04-01	1438.216
2009-07-01	1452.283
2009-10-01	1456.627
2010-01-01	1452.395
2010-04-01	1469.913
2010-07-01	1494.474
2010-10-01	1512.472
2011-01-01	1502.094
2011-04-01	1506.551
2011-07-01	1500.785
2011-10-01	1511.691