Quarter	Thousands of Persons, Seasonally Adjusted
1972-07-01	12582.08
1972-10-01	12630.38
1973-01-01	12722.68
1973-04-01	12805.50
1973-07-01	12846.87
1973-10-01	12908.19
1974-01-01	12961.34
1974-04-01	13005.55
1974-07-01	13020.84
1974-10-01	13046.51
1975-01-01	13055.00
1975-04-01	13055.80
1975-07-01	13019.49
1975-10-01	13002.67
1976-01-01	13048.19
1976-04-01	13013.62
1976-07-01	13353.08
1976-10-01	13264.32
1977-01-01	13272.49
1977-04-01	13257.41
1977-07-01	13285.18
1977-10-01	13319.48
1978-01-01	13331.90
1978-04-01	13329.28
1978-07-01	13320.96
1978-10-01	13310.68
1979-01-01	13370.11
1979-04-01	13351.81
1979-07-01	13401.43
1979-10-01	13411.14
1980-01-01	13433.95
1980-04-01	13433.99
1980-07-01	13409.59
1980-10-01	13433.71
1981-01-01	13447.80
1981-04-01	13462.59
1981-07-01	13487.49
1981-10-01	13520.79
1982-01-01	13567.49
1982-04-01	13609.19
1982-07-01	13665.13
1982-10-01	13730.02
1983-01-01	13731.40
1983-04-01	13786.02
1983-07-01	13865.04
1983-10-01	13881.07
1984-01-01	13894.44
1984-04-01	13888.20
1984-07-01	13909.42
1984-10-01	13957.50
1985-01-01	13991.86
1985-04-01	13992.16
1985-07-01	13999.04
1985-10-01	14053.93
1986-01-01	14110.50
1986-04-01	14152.86
1986-07-01	14180.43
1986-10-01	14292.84
1987-01-01	14421.54
1987-04-01	14680.96
1987-07-01	14851.85
1987-10-01	14947.92
1988-01-01	15028.25
1988-04-01	15096.68
1988-07-01	15186.01
1988-10-01	15128.12
1989-01-01	15194.85
1989-04-01	15227.19
1989-07-01	15298.45
1989-10-01	15359.67
1990-01-01	15440.14
1990-04-01	15445.09
1990-07-01	15453.51
1990-10-01	15520.70
1991-01-01	15547.81
1991-04-01	15567.50
1991-07-01	15647.28
1991-10-01	15644.29
1992-01-01	15654.85
1992-04-01	15700.20
1992-07-01	15712.64
1992-10-01	15755.04
1993-01-01	15768.68
1993-04-01	15863.60
1993-07-01	15938.49
1993-10-01	15999.64
1994-01-01	16049.25
1994-04-01	16112.23
1994-07-01	16073.52
1994-10-01	16116.29
1995-01-01	16181.11
1995-04-01	16195.76
1995-07-01	16250.81
1995-10-01	16281.11
1996-01-01	16390.44
1996-04-01	16466.69
1996-07-01	16568.65
1996-10-01	16641.70
1997-01-01	16710.98
1997-04-01	16788.28
1997-07-01	16818.86
1997-10-01	16915.39
1998-01-01	16953.66
1998-04-01	17037.45
1998-07-01	17137.67
1998-10-01	17190.94
1999-01-01	17257.16
1999-04-01	17335.61
1999-07-01	17442.94
1999-10-01	17611.28
2000-01-01	17791.30
2000-04-01	17945.98
2000-07-01	18069.64
2000-10-01	18204.11
2001-01-01	17860.95
2001-04-01	17971.93
2001-07-01	18098.89
2001-10-01	18274.91
2002-01-01	18517.17
2002-04-01	18720.70
2002-07-01	18883.79
2002-10-01	19026.35
2003-01-01	19266.15
2003-04-01	19451.16
2003-07-01	19634.71
2003-10-01	19806.76
2004-01-01	19926.63
2004-04-01	20099.91
2004-07-01	20270.01
2004-10-01	20447.42
2005-01-01	20626.66
2005-04-01	20835.50
2005-07-01	20927.06
2005-10-01	21158.90
2006-01-01	21366.29
2006-04-01	21518.28
2006-07-01	21640.26
2006-10-01	21819.70
2007-01-01	21949.82
2007-04-01	22110.13
2007-07-01	22289.04
2007-10-01	22414.89
2008-01-01	22652.70
2008-04-01	22784.30
2008-07-01	22890.60
2008-10-01	23085.30
2009-01-01	23122.70
2009-04-01	23063.80
2009-07-01	22996.20
2009-10-01	23000.60
2010-01-01	23008.40
2010-04-01	23097.30
2010-07-01	23104.00
2010-10-01	23149.70
2011-01-01	23060.90
2011-04-01	23109.80
2011-07-01	23121.00
2011-10-01	23130.10
2012-01-01	23048.80