Quarter	Thousands of Persons, Seasonally Adjusted
1972-01-01	12.9027
1972-04-01	12.7488
1972-07-01	13.7902
1972-10-01	14.5426
1973-01-01	12.8633
1973-04-01	16.7201
1973-07-01	16.2019
1973-10-01	15.6815
1974-01-01	15.1566
1974-04-01	12.8252
1974-07-01	15.3488
1974-10-01	11.2774
1975-01-01	16.1281
1975-04-01	20.0085
1975-07-01	19.9785
1975-10-01	21.6076
1976-01-01	19.5153
1976-04-01	16.1143
1976-07-01	15.8716
1976-10-01	14.8018
1977-01-01	14.9347
1977-04-01	19.4173
1977-07-01	13.3045
1977-10-01	15.8638
1978-01-01	19.8811
1978-04-01	17.4396
1978-07-01	18.5627
1978-10-01	18.0671
1979-01-01	19.0216
1979-04-01	21.5578
1979-07-01	19.2073
1979-10-01	19.1198
1980-01-01	15.7176
1980-04-01	15.1509
1980-07-01	19.3961
1980-10-01	21.2485
1981-01-01	20.6083
1981-04-01	21.9377
1981-07-01	24.3841
1981-10-01	20.1464
1982-01-01	20.2831
1982-04-01	23.8611
1982-07-01	23.8187
1982-10-01	32.8446
1983-01-01	37.0330
1983-04-01	38.0638
1983-07-01	25.5447
1983-10-01	29.9678
1984-01-01	27.7880
1984-04-01	28.5216
1984-07-01	28.8768
1984-10-01	27.9630
1985-01-01	28.9495
1985-04-01	24.9186
1985-07-01	31.5561
1985-10-01	26.8386
1986-01-01	23.8336
1986-04-01	24.3537
1986-07-01	25.4244
1986-10-01	19.6854
1987-01-01	24.2856
1987-04-01	23.3594
1987-07-01	24.4582
1987-10-01	26.2547
1988-01-01	26.7431
1988-04-01	29.5661
1988-07-01	33.1878
1988-10-01	44.6956
1989-01-01	46.1620
1989-04-01	46.9363
1989-07-01	39.5332
1989-10-01	46.2670
1990-01-01	48.9662
1990-04-01	45.5070
1990-07-01	44.5245
1990-10-01	44.9294
1991-01-01	47.4339
1991-04-01	46.9396
1991-07-01	47.1674
1991-10-01	50.9867
1992-01-01	47.7074
1992-04-01	50.2764
1992-07-01	51.4905
1992-10-01	48.4886
1993-01-01	48.9442
1993-04-01	48.3154
1993-07-01	51.4962
1993-10-01	50.6520
1994-01-01	43.9363
1994-04-01	47.3185
1994-07-01	47.2362
1994-10-01	48.0452
1995-01-01	52.9732
1995-04-01	47.2414
1995-07-01	43.8573
1995-10-01	40.6516
1996-01-01	50.7426
1996-04-01	49.3467
1996-07-01	49.6275
1996-10-01	51.9707
1997-01-01	47.6659
1997-04-01	47.1698
1997-07-01	41.4426
1997-10-01	38.8221
1998-01-01	35.6154
1998-04-01	38.0966
1998-07-01	35.8952
1998-10-01	28.9182
1999-01-01	30.6751
1999-04-01	30.8697
1999-07-01	33.1405
1999-10-01	35.8897
2000-01-01	35.4133
2000-04-01	29.2987
2000-07-01	38.8097
2000-10-01	36.6286
2001-01-01	36.3045
2001-04-01	35.1906
2001-07-01	39.9420
2001-10-01	40.8704
2002-01-01	41.2849
2002-04-01	41.9031
2002-07-01	38.2292
2002-10-01	40.4292
2003-01-01	44.7679
2003-04-01	44.3605
2003-07-01	43.8605
2003-10-01	46.2453
2004-01-01	43.1371
2004-04-01	43.9321
2004-07-01	46.6629
2004-10-01	46.3727
2005-01-01	47.5159
2005-04-01	49.1054
2005-07-01	50.3208
2005-10-01	50.1709
2006-01-01	43.5906
2006-04-01	42.4020
2006-07-01	37.2243
2006-10-01	31.6745
2007-01-01	31.4180
2007-04-01	29.4332
2007-07-01	27.9008
2007-10-01	28.2490
2008-01-01	29.3543
2008-04-01	28.5234
2008-07-01	26.9603
2008-10-01	34.0984
2009-01-01	29.3488
2009-04-01	33.2640
2009-07-01	33.3638
2009-10-01	33.9425
2010-01-01	37.6382
2010-04-01	35.1744
2010-07-01	36.9560
2010-10-01	38.4828
2011-01-01	35.7435
2011-04-01	38.9673
2011-07-01	39.6253
2011-10-01	38.3680
2012-01-01	31.7298