Quarter	Thousands of Persons, Seasonally Adjusted
1964-01-01	33.0365
1964-04-01	30.8791
1964-07-01	26.6135
1964-10-01	26.4877
1965-01-01	25.3990
1965-04-01	27.6647
1965-07-01	33.2708
1965-10-01	38.4977
1966-01-01	37.1131
1966-04-01	35.6441
1966-07-01	43.2926
1966-10-01	34.5544
1967-01-01	45.4855
1967-04-01	46.4166
1967-07-01	46.7551
1967-10-01	39.1073
1968-01-01	42.2287
1968-04-01	43.8645
1968-07-01	40.3488
1968-10-01	37.9691
1969-01-01	41.6103
1969-04-01	39.5038
1969-07-01	38.4525
1969-10-01	46.2423
1970-01-01	37.5086
1970-04-01	38.4429
1970-07-01	42.3915
1970-10-01	42.2133
1971-01-01	40.9192
1971-04-01	50.8764
1971-07-01	50.7921
1971-10-01	60.0274
1972-01-01	73.1661
1972-04-01	65.8802
1972-07-01	86.9445
1972-10-01	74.3881
1973-01-01	69.4409
1973-04-01	65.2343
1973-07-01	58.6425
1973-10-01	59.6468
1974-01-01	57.6734
1974-04-01	56.6357
1974-07-01	77.0646
1974-10-01	115.1633
1975-01-01	141.6232
1975-04-01	152.1701
1975-07-01	154.1488
1975-10-01	152.3808
1976-01-01	148.6478
1976-04-01	149.1596
1976-07-01	170.8458
1976-10-01	159.3475
1977-01-01	162.1635
1977-04-01	193.1305
1977-07-01	203.6328
1977-10-01	190.2233
1978-01-01	225.4121
1978-04-01	219.9931
1978-07-01	225.1742
1978-10-01	224.6178
1979-01-01	221.9186
1979-04-01	220.3780
1979-07-01	208.2475
1979-10-01	206.8757
1980-01-01	212.9340
1980-04-01	220.5293
1980-07-01	216.1625
1980-10-01	206.0584
1981-01-01	204.0541
1981-04-01	194.2413
1981-07-01	208.2113
1981-10-01	216.7991
1982-01-01	226.4201
1982-04-01	243.9471
1982-07-01	280.3773
1982-10-01	357.6743
1983-01-01	407.0957
1983-04-01	439.9898
1983-07-01	440.4451
1983-10-01	416.8650
1984-01-01	401.8327
1984-04-01	389.3037
1984-07-01	379.6034
1984-10-01	369.8145
1985-01-01	369.3421
1985-04-01	370.3457
1985-07-01	352.5071
1985-10-01	332.3892
1986-01-01	339.9031
1986-04-01	339.7403
1986-07-01	358.7340
1986-10-01	372.1599
1987-01-01	369.2319
1987-04-01	366.0718
1987-07-01	355.9287
1987-10-01	355.3185
1988-01-01	334.4837
1988-04-01	337.8156
1988-07-01	311.3286
1988-10-01	300.6388
1989-01-01	295.0497
1989-04-01	275.6755
1989-07-01	271.7236
1989-10-01	261.1861
1990-01-01	284.8652
1990-04-01	307.4625
1990-07-01	348.0876
1990-10-01	393.1190
1991-01-01	437.9914
1991-04-01	487.0361
1991-07-01	509.5375
1991-10-01	527.4599
1992-01-01	542.3361
1992-04-01	562.1141
1992-07-01	575.8319
1992-10-01	588.1315
1993-01-01	578.9861
1993-04-01	583.2692
1993-07-01	572.0263
1993-10-01	561.5015
1994-01-01	544.1737
1994-04-01	519.2273
1994-07-01	486.8370
1994-10-01	468.8614
1995-01-01	457.2323
1995-04-01	450.0378
1995-07-01	452.7369
1995-10-01	454.2623
1996-01-01	455.5122
1996-04-01	451.5610
1996-07-01	457.4984
1996-10-01	459.4407
1997-01-01	463.6029
1997-04-01	456.8420
1997-07-01	457.5137
1997-10-01	437.5565
1998-01-01	426.8023
1998-04-01	422.8884
1998-07-01	432.3242
1998-10-01	410.8412
1999-01-01	390.6128
1999-04-01	380.3499
1999-07-01	374.4364
1999-10-01	363.7563
2000-01-01	348.4554
2000-04-01	344.7620
2000-07-01	341.6977
2000-10-01	351.5967
2001-01-01	362.9155
2001-04-01	382.2485
2001-07-01	388.2748
2001-10-01	390.9917
2002-01-01	379.3754
2002-04-01	363.0073
2002-07-01	350.4479
2002-10-01	343.0958
2003-01-01	341.5463
2003-04-01	341.3410
2003-07-01	324.2814
2003-10-01	308.3381
2004-01-01	300.4663
2004-04-01	301.2273
2004-07-01	305.2201
2004-10-01	288.1212
2005-01-01	280.6239
2005-04-01	280.7315
2005-07-01	281.6621
2005-10-01	291.2000
2006-01-01	291.5075
2006-04-01	275.8193
2006-07-01	274.9370
2006-10-01	259.3341
2007-01-01	252.2815
2007-04-01	237.1495
2007-07-01	236.5628
2007-10-01	253.8636
2008-01-01	230.5982
2008-04-01	247.9051
2008-07-01	242.8893
2008-10-01	267.3990
2009-01-01	337.0431
2009-04-01	376.4207
2009-07-01	375.9037
2009-10-01	363.4501
2010-01-01	343.1006
2010-04-01	335.2379
2010-07-01	324.0154
2010-10-01	318.0634
2011-01-01	309.1118
2011-04-01	307.7565
2011-07-01	337.0382
2011-10-01	334.5174
2012-01-01	329.8945