Quarter	Thousands of Persons, Seasonally Adjusted
1970-01-01	26.5226
1970-04-01	25.5550
1970-07-01	29.0047
1970-10-01	28.5828
1971-01-01	37.5042
1971-04-01	41.7320
1971-07-01	45.3504
1971-10-01	50.7129
1972-01-01	47.7653
1972-04-01	49.1265
1972-07-01	47.1985
1972-10-01	47.4062
1973-01-01	48.9336
1973-04-01	42.1951
1973-07-01	44.0059
1973-10-01	47.4741
1974-01-01	46.4608
1974-04-01	40.3378
1974-07-01	40.5633
1974-10-01	36.8744
1975-01-01	35.0028
1975-04-01	36.9682
1975-07-01	33.0782
1975-10-01	37.6426
1976-01-01	35.5040
1976-04-01	34.7251
1976-07-01	35.6115
1976-10-01	36.6370
1977-01-01	40.6954
1977-04-01	36.2993
1977-07-01	39.7535
1977-10-01	41.9326
1978-01-01	43.4165
1978-04-01	46.1980
1978-07-01	48.4034
1978-10-01	42.3345
1979-01-01	46.0328
1979-04-01	48.3405
1979-07-01	43.7221
1979-10-01	39.7104
1980-01-01	40.0195
1980-04-01	45.7755
1980-07-01	43.4957
1980-10-01	48.6790
1981-01-01	47.1110
1981-04-01	44.5632
1981-07-01	53.3435
1981-10-01	64.7177
1982-01-01	66.2659
1982-04-01	67.3596
1982-07-01	68.2751
1982-10-01	66.7730
1983-01-01	69.2587
1983-04-01	76.9147
1983-07-01	72.8298
1983-10-01	71.9350
1984-01-01	67.6587
1984-04-01	70.3291
1984-07-01	64.7936
1984-10-01	66.3200
1985-01-01	61.8785
1985-04-01	60.7140
1985-07-01	59.0550
1985-10-01	56.4596
1986-01-01	56.6325
1986-04-01	58.8747
1986-07-01	54.8804
1986-10-01	55.4487
1987-01-01	48.8643
1987-04-01	48.7293
1987-07-01	46.4260
1987-10-01	38.7801
1988-01-01	40.7397
1988-04-01	36.3151
1988-07-01	36.7527
1988-10-01	35.5094
1989-01-01	35.8931
1989-04-01	32.3185
1989-07-01	30.4228
1989-10-01	32.6850
1990-01-01	33.2237
1990-04-01	31.0989
1990-07-01	34.7367
1990-10-01	42.7120
1991-01-01	50.8290
1991-04-01	50.8521
1991-07-01	58.6844
1991-10-01	62.8895
1992-01-01	75.8590
1992-04-01	84.4107
1992-07-01	91.7713
1992-10-01	101.7810
1993-01-01	119.0083
1993-04-01	145.9121
1993-07-01	140.8943
1993-10-01	141.4776
1994-01-01	138.5720
1994-04-01	142.1632
1994-07-01	135.9815
1994-10-01	134.9934
1995-01-01	136.4997
1995-04-01	137.5871
1995-07-01	140.1059
1995-10-01	153.7843
1996-01-01	148.3985
1996-04-01	148.8760
1996-07-01	154.9427
1996-10-01	166.7644
1997-01-01	168.5679
1997-04-01	169.7791
1997-07-01	144.3261
1997-10-01	133.6973
1998-01-01	127.5431
1998-04-01	127.1296
1998-07-01	126.4778
1998-10-01	110.9316
1999-01-01	105.1267
1999-04-01	103.7829
1999-07-01	110.2335
1999-10-01	108.1947
2000-01-01	100.9135
2000-04-01	92.4862
2000-07-01	84.6326
2000-10-01	79.5822
2001-01-01	78.1018
2001-04-01	73.8302
2001-07-01	74.8043
2001-10-01	79.4945
2002-01-01	73.6679
2002-04-01	73.2703
2002-07-01	76.3834
2002-10-01	79.8437
2003-01-01	90.4270
2003-04-01	85.7795
2003-07-01	93.9130
2003-10-01	106.3059
2004-01-01	109.4307
2004-04-01	102.2796
2004-07-01	112.4340
2004-10-01	113.5144
2005-01-01	104.8354
2005-04-01	167.8299
2005-07-01	153.0987
2005-10-01	177.3789
2006-01-01	173.6746
2006-04-01	164.3397
2006-07-01	151.8956
2006-10-01	147.9719
2007-01-01	149.6989
2007-04-01	146.8242
2007-07-01	136.3640
2007-10-01	133.1752
2008-01-01	148.4378
2008-04-01	146.1940
2008-07-01	148.7582
2008-10-01	162.2404
2009-01-01	173.8002
2009-04-01	181.6400
2009-07-01	190.1951
2009-10-01	201.3717
2010-01-01	193.0771
2010-04-01	193.9891
2010-07-01	197.3240
2010-10-01	185.4475
2011-01-01	185.0420
2011-04-01	176.4812
2011-07-01	170.5805
2011-10-01	177.6400
2012-01-01	170.2978