Quarter	Thousands of Persons, Seasonally Adjusted
1975-01-01	4.6787
1975-04-01	9.8125
1975-07-01	15.8834
1975-10-01	15.0568
1976-01-01	19.1450
1976-04-01	15.3269
1976-07-01	11.9701
1976-10-01	10.0797
1977-01-01	9.7989
1977-04-01	8.2173
1977-07-01	7.2395
1977-10-01	6.8404
1978-01-01	6.5957
1978-04-01	6.5473
1978-07-01	7.0193
1978-10-01	6.9774
1979-01-01	6.6008
1979-04-01	6.4219
1979-07-01	5.3464
1979-10-01	4.6500
1980-01-01	4.0421
1980-04-01	3.7080
1980-07-01	3.3938
1980-10-01	3.8836
1981-01-01	2.9961
1981-04-01	3.2276
1981-07-01	3.8047
1981-10-01	5.0383
1982-01-01	5.7092
1982-04-01	7.5496
1982-07-01	10.6317
1982-10-01	12.6481
1983-01-01	16.0167
1983-04-01	16.9425
1983-07-01	17.1372
1983-10-01	15.9800
1984-01-01	20.4703
1984-04-01	20.9919
1984-07-01	19.3098
1984-10-01	17.3406
1985-01-01	16.6496
1985-04-01	15.2499
1985-07-01	14.1440
1985-10-01	13.5062
1986-01-01	13.0644
1986-04-01	12.2788
1986-07-01	12.0135
1986-10-01	12.4384
1987-01-01	12.0853
1987-04-01	11.9145
1987-07-01	11.6290
1987-10-01	11.3717
1988-01-01	11.3799
1988-04-01	10.9336
1988-07-01	10.1573
1988-10-01	9.1520
1989-01-01	8.4854
1989-04-01	8.1646
1989-07-01	8.2724
1989-10-01	8.3168
1990-01-01	7.9359
1990-04-01	8.3872
1990-07-01	10.5616
1990-10-01	14.4715
1991-01-01	23.7187
1991-04-01	26.4695
1991-07-01	28.1633
1991-10-01	32.9769
1992-01-01	42.4915
1992-04-01	49.2212
1992-07-01	54.2315
1992-10-01	59.9606
1993-01-01	63.1975
1993-04-01	67.2836
1993-07-01	77.0118
1993-10-01	79.6772
1994-01-01	77.3438
1994-04-01	75.3915
1994-07-01	74.6012
1994-10-01	70.3373
1995-01-01	66.8097
1995-04-01	63.6993
1995-07-01	56.6925
1995-10-01	64.0613
1996-01-01	66.0002
1996-04-01	73.9640
1996-07-01	76.5440
1996-10-01	83.6224
1997-01-01	95.9956
1997-04-01	95.7175
1997-07-01	97.1458
1997-10-01	87.5791
1998-01-01	77.6861
1998-04-01	69.6867
1998-07-01	67.0199
1998-10-01	66.1531
1999-01-01	58.2087
1999-04-01	58.7951
1999-07-01	57.3377
1999-10-01	57.9632
2000-01-01	56.5262
2000-04-01	50.7201
2000-07-01	47.5030
2000-10-01	42.3582
2001-01-01	38.5625
2001-04-01	37.8382
2001-07-01	37.3729
2001-10-01	42.6023
2002-01-01	53.0024
2002-04-01	62.6474
2002-07-01	66.3947
2002-10-01	72.5378
2003-01-01	80.5537
2003-04-01	86.0420
2003-07-01	89.7815
2003-10-01	92.8255
2004-01-01	90.0005
2004-04-01	90.4221
2004-07-01	95.0417
2004-10-01	93.9760
2005-01-01	89.6286
2005-04-01	89.6041
2005-07-01	89.7811
2005-10-01	87.4978
2006-01-01	83.2185
2006-04-01	80.2270
2006-07-01	77.6591
2006-10-01	75.2599
2007-01-01	73.5615
2007-04-01	70.1743
2007-07-01	67.9267
2007-10-01	65.2838
2008-01-01	68.6495
2008-04-01	69.0362
2008-07-01	68.7573
2008-10-01	72.0438
2009-01-01	80.4640
2009-04-01	92.9440
2009-07-01	102.0822
2009-10-01	108.7275
2010-01-01	108.8776
2010-04-01	94.4018
2010-07-01	104.7988
2010-10-01	94.0119
2011-01-01	91.0546
2011-04-01	90.3867
2011-07-01	92.8837
2011-10-01	91.5338