Quarter	Thousands of Persons, Seasonally Adjusted
1969-01-01	77.0668
1969-04-01	54.5360
1969-07-01	53.5045
1969-10-01	53.6093
1970-01-01	51.0276
1970-04-01	40.4023
1970-07-01	36.3952
1970-10-01	37.6107
1971-01-01	37.0249
1971-04-01	40.5448
1971-07-01	32.0804
1971-10-01	38.9175
1972-01-01	34.8975
1972-04-01	32.6211
1972-07-01	42.6904
1972-10-01	31.7397
1973-01-01	31.8433
1973-04-01	36.4956
1973-07-01	34.8215
1973-10-01	30.0084
1974-01-01	38.8826
1974-04-01	39.3948
1974-07-01	40.1462
1974-10-01	45.1724
1975-01-01	45.0733
1975-04-01	54.5843
1975-07-01	51.2623
1975-10-01	59.8732
1976-01-01	57.3388
1976-04-01	54.3364
1976-07-01	54.2959
1976-10-01	49.9128
1977-01-01	48.4028
1977-04-01	44.8635
1977-07-01	53.5461
1977-10-01	51.4517
1978-01-01	56.8660
1978-04-01	67.0255
1978-07-01	62.8772
1978-10-01	68.1549
1979-01-01	69.5551
1979-04-01	64.0808
1979-07-01	63.4802
1979-10-01	63.9365
1980-01-01	54.3848
1980-04-01	55.4167
1980-07-01	64.4121
1980-10-01	58.7497
1981-01-01	67.3531
1981-04-01	81.4705
1981-07-01	80.9394
1981-10-01	91.5152
1982-01-01	97.4684
1982-04-01	106.7505
1982-07-01	125.5072
1982-10-01	131.5825
1983-01-01	139.1139
1983-04-01	142.6827
1983-07-01	141.0481
1983-10-01	121.1966
1984-01-01	134.8989
1984-04-01	127.7255
1984-07-01	122.7683
1984-10-01	124.8090
1985-01-01	121.5317
1985-04-01	121.9399
1985-07-01	120.7434
1985-10-01	119.1935
1986-01-01	112.9984
1986-04-01	99.7827
1986-07-01	94.7598
1986-10-01	111.9683
1987-01-01	134.5208
1987-04-01	128.2971
1987-07-01	136.8992
1987-10-01	119.1337
1988-01-01	123.5858
1988-04-01	120.8960
1988-07-01	123.2026
1988-10-01	119.7903
1989-01-01	104.2922
1989-04-01	113.0187
1989-07-01	101.0432
1989-10-01	112.8829
1990-01-01	110.4106
1990-04-01	115.0318
1990-07-01	118.9900
1990-10-01	112.7785
1991-01-01	122.2715
1991-04-01	123.0778
1991-07-01	126.9463
1991-10-01	128.0149
1992-01-01	123.5932
1992-04-01	139.6607
1992-07-01	130.6500
1992-10-01	136.3645
1993-01-01	144.7792
1993-04-01	171.3265
1993-07-01	158.2233
1993-10-01	158.1345
1994-01-01	138.2243
1994-04-01	133.9108
1994-07-01	142.2637
1994-10-01	142.2106
1995-01-01	147.0901
1995-04-01	144.3481
1995-07-01	142.6197
1995-10-01	144.3213
1996-01-01	173.2970
1996-04-01	150.0762
1996-07-01	154.3736
1996-10-01	161.3159
1997-01-01	164.4282
1997-04-01	153.0087
1997-07-01	176.4861
1997-10-01	166.2742
1998-01-01	169.3970
1998-04-01	173.8130
1998-07-01	157.8248
1998-10-01	157.1827
1999-01-01	150.6778
1999-04-01	143.9256
1999-07-01	135.9937
1999-10-01	139.1546
2000-01-01	151.4314
2000-04-01	127.8592
2000-07-01	131.2558
2000-10-01	129.0125
2001-01-01	130.2220
2001-04-01	138.8217
2001-07-01	141.0522
2001-10-01	147.5466
2002-01-01	160.3374
2002-04-01	144.8901
2002-07-01	150.5637
2002-10-01	151.9303
2003-01-01	164.3293
2003-04-01	171.2309
2003-07-01	167.9660
2003-10-01	174.6406
2004-01-01	182.0266
2004-04-01	195.7512
2004-07-01	199.8228
2004-10-01	200.4971
2005-01-01	189.2999
2005-04-01	216.6910
2005-07-01	213.3166
2005-10-01	211.6138
2006-01-01	208.3862
2006-04-01	199.7169
2006-07-01	183.0766
2006-10-01	188.3078
2007-01-01	180.3951
2007-04-01	192.5761
2007-07-01	195.9366
2007-10-01	172.4833
2008-01-01	167.1404
2008-04-01	150.5782
2008-07-01	157.3681
2008-10-01	173.5391
2009-01-01	188.3978
2009-04-01	204.9730
2009-07-01	218.4167
2009-10-01	206.3691
2010-01-01	190.3936
2010-04-01	192.3404
2010-07-01	188.1620
2010-10-01	181.6843
2011-01-01	186.4417
2011-04-01	179.2472
2011-07-01	159.1900
2011-10-01	191.5735