Quarter	Thousands of Persons, Seasonally Adjusted
1975-01-01	3.3741
1975-04-01	8.5374
1975-07-01	16.6664
1975-10-01	21.9022
1976-01-01	23.8904
1976-04-01	22.3707
1976-07-01	17.2960
1976-10-01	14.4439
1977-01-01	12.2228
1977-04-01	11.5540
1977-07-01	10.1296
1977-10-01	9.6491
1978-01-01	9.8475
1978-04-01	9.5696
1978-07-01	10.1827
1978-10-01	10.8274
1979-01-01	10.8288
1979-04-01	10.6330
1979-07-01	9.3749
1979-10-01	7.4485
1980-01-01	6.5428
1980-04-01	5.7059
1980-07-01	5.4810
1980-10-01	5.2982
1981-01-01	4.8961
1981-04-01	5.0553
1981-07-01	5.7517
1981-10-01	7.7815
1982-01-01	8.7340
1982-04-01	11.6946
1982-07-01	15.7404
1982-10-01	20.6611
1983-01-01	26.3889
1983-04-01	29.7459
1983-07-01	30.7993
1983-10-01	29.1044
1984-01-01	33.6698
1984-04-01	37.1766
1984-07-01	36.2224
1984-10-01	34.3332
1985-01-01	32.0043
1985-04-01	29.4700
1985-07-01	28.2692
1985-10-01	27.4466
1986-01-01	26.3127
1986-04-01	25.0124
1986-07-01	24.7520
1986-10-01	24.6678
1987-01-01	24.6817
1987-04-01	24.8811
1987-07-01	24.2600
1987-10-01	23.3682
1988-01-01	23.2119
1988-04-01	22.5825
1988-07-01	21.4893
1988-10-01	19.6342
1989-01-01	17.6573
1989-04-01	17.0021
1989-07-01	16.8799
1989-10-01	16.4777
1990-01-01	15.8540
1990-04-01	16.2808
1990-07-01	20.4453
1990-10-01	27.6576
1991-01-01	56.1601
1991-04-01	68.4088
1991-07-01	71.0987
1991-10-01	79.0824
1992-01-01	95.5007
1992-04-01	108.7112
1992-07-01	119.1917
1992-10-01	129.8211
1993-01-01	136.8579
1993-04-01	146.1074
1993-07-01	161.5018
1993-10-01	163.8601
1994-01-01	157.3752
1994-04-01	151.3921
1994-07-01	150.6466
1994-10-01	145.6235
1995-01-01	139.2237
1995-04-01	130.5821
1995-07-01	122.9147
1995-10-01	128.1457
1996-01-01	132.6451
1996-04-01	144.2344
1996-07-01	144.7513
1996-10-01	151.2983
1997-01-01	165.4414
1997-04-01	163.2466
1997-07-01	165.9506
1997-10-01	159.0855
1998-01-01	150.3777
1998-04-01	141.4117
1998-07-01	135.7362
1998-10-01	127.6393
1999-01-01	121.0580
1999-04-01	121.0572
1999-07-01	115.4875
1999-10-01	113.2766
2000-01-01	111.4364
2000-04-01	105.1687
2000-07-01	107.4196
2000-10-01	105.0912
2001-01-01	98.4787
2001-04-01	99.9248
2001-07-01	92.8587
2001-10-01	92.6391
2002-01-01	110.1569
2002-04-01	119.2273
2002-07-01	128.3952
2002-10-01	140.8001
2003-01-01	157.7753
2003-04-01	168.2767
2003-07-01	172.9992
2003-10-01	179.5765
2004-01-01	178.3258
2004-04-01	178.8350
2004-07-01	186.1163
2004-10-01	185.4820
2005-01-01	183.1423
2005-04-01	185.4687
2005-07-01	184.3613
2005-10-01	182.6358
2006-01-01	174.3193
2006-04-01	170.5769
2006-07-01	167.5949
2006-10-01	166.8025
2007-01-01	164.1731
2007-04-01	158.4410
2007-07-01	154.2463
2007-10-01	150.8706
2008-01-01	151.9050
2008-04-01	150.5584
2008-07-01	146.8897
2008-10-01	149.4818
2009-01-01	165.8705
2009-04-01	186.7123
2009-07-01	203.3273
2009-10-01	220.0028
2010-01-01	213.7645
2010-04-01	194.8718
2010-07-01	213.4497
2010-10-01	190.8355
2011-01-01	185.3009
2011-04-01	167.4759
2011-07-01	193.8932
2011-10-01	190.0880