Quarter	Thousands of Persons, Seasonally Adjusted
1983-01-01	323.7786
1983-04-01	332.0979
1983-07-01	371.2011
1983-10-01	367.7465
1984-01-01	367.3196
1984-04-01	376.5986
1984-07-01	386.3249
1984-10-01	394.2031
1985-01-01	379.9971
1985-04-01	391.7355
1985-07-01	369.0493
1985-10-01	397.7338
1986-01-01	399.1540
1986-04-01	399.3796
1986-07-01	377.5879
1986-10-01	350.9223
1987-01-01	350.1298
1987-04-01	328.4119
1987-07-01	311.3368
1987-10-01	287.5532
1988-01-01	278.8324
1988-04-01	285.5212
1988-07-01	242.8420
1988-10-01	249.1787
1989-01-01	243.3370
1989-04-01	235.6904
1989-07-01	233.8661
1989-10-01	218.6404
1990-01-01	238.8950
1990-04-01	199.7832
1990-07-01	219.4511
1990-10-01	220.6964
1991-01-01	201.7822
1991-04-01	181.3080
1991-07-01	205.0710
1991-10-01	206.1083
1992-01-01	177.2992
1992-04-01	182.8505
1992-07-01	189.3615
1992-10-01	197.4205
1993-01-01	219.5336
1993-04-01	247.1722
1993-07-01	255.3370
1993-10-01	272.3179
1994-01-01	296.6903
1994-04-01	317.6732
1994-07-01	317.0321
1994-10-01	319.6312
1995-01-01	326.3494
1995-04-01	331.7871
1995-07-01	317.1543
1995-10-01	326.6557
1996-01-01	330.3713
1996-04-01	344.5544
1996-07-01	331.6367
1996-10-01	324.3365
1997-01-01	333.6702
1997-04-01	323.8099
1997-07-01	328.7326
1997-10-01	311.1199
1998-01-01	282.9020
1998-04-01	240.6114
1998-07-01	241.6271
1998-10-01	240.1831
1999-01-01	232.1919
1999-04-01	239.7290
1999-07-01	220.3367
1999-10-01	211.0187
2000-01-01	217.7372
2000-04-01	202.5940
2000-07-01	210.0722
2000-10-01	190.9820
2001-01-01	211.4645
2001-04-01	212.4772
2001-07-01	214.2377
2001-10-01	215.6560
2002-01-01	227.6214
2002-04-01	254.1863
2002-07-01	277.4682
2002-10-01	322.0742
2003-01-01	334.6056
2003-04-01	347.6818
2003-07-01	339.2934
2003-10-01	347.5467
2004-01-01	338.0543
2004-04-01	360.9559
2004-07-01	379.9533
2004-10-01	381.1826
2005-01-01	403.1612
2005-04-01	413.6875
2005-07-01	433.9382
2005-10-01	438.0904
2006-01-01	421.0391
2006-04-01	418.7693
2006-07-01	420.9990
2006-10-01	450.1829
2007-01-01	460.6518
2007-04-01	453.9440
2007-07-01	447.7674
2007-10-01	432.9085
2008-01-01	417.9705
2008-04-01	421.9134
2008-07-01	436.8658
2008-10-01	432.1888
2009-01-01	484.7818
2009-04-01	521.6442
2009-07-01	552.0012
2009-10-01	557.6677
2010-01-01	578.3637
2010-04-01	604.8688
2010-07-01	614.5109
2010-10-01	614.2220
2011-01-01	672.2119
2011-04-01	691.0076
2011-07-01	695.4126
2011-10-01	767.1247
2012-01-01	798.3626