Quarter	Thousands of Persons, Seasonally Adjusted
1975-01-01	0.8731
1975-04-01	2.1244
1975-07-01	4.8396
1975-10-01	6.3678
1976-01-01	6.2951
1976-04-01	6.1108
1976-07-01	4.6629
1976-10-01	4.0732
1977-01-01	3.8830
1977-04-01	3.7197
1977-07-01	3.5857
1977-10-01	3.3963
1978-01-01	3.6081
1978-04-01	3.6885
1978-07-01	4.3668
1978-10-01	4.8388
1979-01-01	4.8255
1979-04-01	4.8692
1979-07-01	3.9857
1979-10-01	3.2254
1980-01-01	2.7055
1980-04-01	2.4087
1980-07-01	2.2738
1980-10-01	2.2236
1981-01-01	2.2531
1981-04-01	2.2478
1981-07-01	2.7590
1981-10-01	3.5690
1982-01-01	4.3402
1982-04-01	5.7745
1982-07-01	7.5803
1982-10-01	8.7712
1983-01-01	10.2631
1983-04-01	11.0872
1983-07-01	11.2127
1983-10-01	11.8156
1984-01-01	12.9283
1984-04-01	14.1991
1984-07-01	13.4551
1984-10-01	12.7427
1985-01-01	12.1504
1985-04-01	11.3639
1985-07-01	10.8929
1985-10-01	10.5611
1986-01-01	10.3066
1986-04-01	10.0451
1986-07-01	10.1523
1986-10-01	10.3178
1987-01-01	9.9928
1987-04-01	10.3444
1987-07-01	10.0772
1987-10-01	9.6253
1988-01-01	9.2815
1988-04-01	8.8676
1988-07-01	8.3946
1988-10-01	7.5311
1989-01-01	6.8061
1989-04-01	6.4056
1989-07-01	6.6138
1989-10-01	6.5751
1990-01-01	6.0476
1990-04-01	6.2092
1990-07-01	7.7532
1990-10-01	9.3388
1991-01-01	33.7442
1991-04-01	42.0025
1991-07-01	42.6627
1991-10-01	46.0040
1992-01-01	53.2682
1992-04-01	59.4180
1992-07-01	64.7039
1992-10-01	69.9684
1993-01-01	73.9854
1993-04-01	78.6570
1993-07-01	84.1402
1993-10-01	84.5760
1994-01-01	80.1993
1994-04-01	75.7067
1994-07-01	75.6906
1994-10-01	75.7373
1995-01-01	72.6423
1995-04-01	66.6458
1995-07-01	65.7409
1995-10-01	64.5439
1996-01-01	66.6567
1996-04-01	70.0666
1996-07-01	68.1271
1996-10-01	68.2975
1997-01-01	68.5815
1997-04-01	67.3254
1997-07-01	69.3958
1997-10-01	72.0339
1998-01-01	72.3211
1998-04-01	71.5578
1998-07-01	68.7340
1998-10-01	61.7856
1999-01-01	62.8266
1999-04-01	62.0401
1999-07-01	58.2920
1999-10-01	55.5184
2000-01-01	54.7369
2000-04-01	54.2136
2000-07-01	59.7031
2000-10-01	62.8856
2001-01-01	60.5787
2001-04-01	61.7198
2001-07-01	55.0676
2001-10-01	50.2165
2002-01-01	57.2701
2002-04-01	56.3191
2002-07-01	62.1967
2002-10-01	68.5051
2003-01-01	77.1045
2003-04-01	81.9817
2003-07-01	83.4308
2003-10-01	86.9535
2004-01-01	88.1785
2004-04-01	88.3357
2004-07-01	91.2729
2004-10-01	91.5057
2005-01-01	93.4500
2005-04-01	95.8984
2005-07-01	94.6815
2005-10-01	94.9574
2006-01-01	91.1354
2006-04-01	90.4480
2006-07-01	89.9829
2006-10-01	91.1516
2007-01-01	90.9089
2007-04-01	88.5685
2007-07-01	85.9992
2007-10-01	85.1590
2008-01-01	83.5007
2008-04-01	82.1371
2008-07-01	77.8953
2008-10-01	76.7984
2009-01-01	85.3674
2009-04-01	95.0500
2009-07-01	101.0665
2009-10-01	110.0777
2010-01-01	104.5595
2010-04-01	102.1257
2010-07-01	108.2662
2010-10-01	95.4656
2011-01-01	94.2067
2011-04-01	78.8939
2011-07-01	100.2689
2011-10-01	97.1274