Quarter	Thousands of Persons, Seasonally Adjusted
1962-01-01	12725.18
1962-04-01	12702.23
1962-07-01	12720.92
1962-10-01	12698.34
1963-01-01	12725.88
1963-04-01	12747.38
1963-07-01	12720.88
1963-10-01	12724.06
1964-01-01	12653.85
1964-04-01	12674.03
1964-07-01	12651.13
1964-10-01	12658.71
1965-01-01	12685.00
1965-04-01	12695.77
1965-07-01	12686.82
1965-10-01	12666.54
1966-01-01	12633.40
1966-04-01	12623.32
1966-07-01	12535.21
1966-10-01	12413.25
1967-01-01	12243.70
1967-04-01	12122.41
1967-07-01	12112.90
1967-10-01	12098.81
1968-01-01	12112.25
1968-04-01	12095.85
1968-07-01	12187.29
1968-10-01	12339.50
1969-01-01	12285.46
1969-04-01	12195.07
1969-07-01	12334.28
1969-10-01	12512.35
1970-01-01	12348.35
1970-04-01	12192.64
1970-07-01	12448.72
1970-10-01	12648.62
1971-01-01	12504.86
1971-04-01	12187.35
1971-07-01	12507.49
1971-10-01	12750.41
1972-01-01	12665.56
1972-04-01	12265.03
1972-07-01	12670.36
1972-10-01	12925.94
1973-01-01	12831.38
1973-04-01	12479.11
1973-07-01	12889.96
1973-10-01	13075.33
1974-01-01	12861.07
1974-04-01	12490.60
1974-07-01	12765.24
1974-10-01	12833.46
1975-01-01	12539.15
1975-04-01	12266.89
1975-07-01	12426.98
1975-10-01	12450.30
1976-01-01	12332.57
1976-04-01	12234.27
1976-07-01	12332.00
1976-10-01	12380.68
1977-01-01	12264.45
1977-04-01	12219.87
1977-07-01	12251.05
1977-10-01	12295.53
1978-01-01	12294.27
1978-04-01	12302.36
1978-07-01	12332.19
1978-10-01	12370.88
1979-01-01	12434.07
1979-04-01	12462.47
1979-07-01	12512.58
1979-10-01	12575.29
1980-01-01	12700.61
1980-04-01	12721.25
1980-07-01	12736.21
1980-10-01	12746.07
1981-01-01	12738.96
1981-04-01	12713.48
1981-07-01	12677.34
1981-10-01	12637.52
1982-01-01	12602.49
1982-04-01	12570.96
1982-07-01	12566.82
1982-10-01	12500.81
1983-01-01	12427.17
1983-04-01	12409.08
1983-07-01	12404.69
1983-10-01	12417.46
1984-01-01	12449.04
1984-04-01	12477.69
1984-07-01	12508.10
1984-10-01	12552.09
1985-01-01	12549.10
1985-04-01	12587.40
1985-07-01	12647.19
1985-10-01	12686.24
1986-01-01	12736.82
1986-04-01	12783.72
1986-07-01	12868.42
1986-10-01	12924.57
1987-01-01	12946.86
1987-04-01	12985.62
1987-07-01	13057.57
1987-10-01	13088.75
1988-01-01	13636.08
1988-04-01	13697.63
1988-07-01	13790.85
1988-10-01	13823.43
1989-01-01	13728.17
1989-04-01	13833.83
1989-07-01	13908.00
1989-10-01	14033.62
1990-01-01	14936.59
1990-04-01	15090.64
1990-07-01	15187.89
1990-10-01	15338.23
1991-01-01	15659.06
1991-04-01	15571.47
1991-07-01	15473.10
1991-10-01	15456.06
1992-01-01	15357.33
1992-04-01	15320.13
1992-07-01	15288.03
1992-10-01	15246.98
1993-01-01	15198.81
1993-04-01	15144.16
1993-07-01	15133.89
1993-10-01	15114.93
1994-01-01	15111.67
1994-04-01	15083.06
1994-07-01	15057.87
1994-10-01	15021.15
1995-01-01	15188.45
1995-04-01	15179.75
1995-07-01	15211.18
1995-10-01	15241.58
1996-01-01	15273.57
1996-04-01	15297.60
1996-07-01	15323.83
1996-10-01	15317.71
1997-01-01	15233.26
1997-04-01	15276.15
1997-07-01	15334.34
1997-10-01	15335.39
1998-01-01	15490.96
1998-04-01	15621.18
1998-07-01	15587.74
1998-10-01	15697.54
1999-01-01	15774.78
1999-04-01	15715.90
1999-07-01	15843.62
1999-10-01	15883.40
2000-01-01	15895.48
2000-04-01	15921.85
2000-07-01	16035.81
2000-10-01	16110.66
2001-01-01	16123.04
2001-04-01	16155.00
2001-07-01	16125.89
2001-10-01	16168.90
2002-01-01	16182.70
2002-04-01	16196.07
2002-07-01	16190.88
2002-10-01	16162.18
2003-01-01	16140.62
2003-04-01	16175.12
2003-07-01	16185.58
2003-10-01	16201.42
2004-01-01	16222.91
2004-04-01	16332.24
2004-07-01	16397.65
2004-10-01	16476.73
2005-01-01	16474.52
2005-04-01	16338.35
2005-07-01	16369.44
2005-10-01	16409.38
2006-01-01	16700.54
2006-04-01	16859.35
2006-07-01	16912.54
2006-10-01	16871.25
2007-01-01	17062.63
2007-04-01	17215.63
2007-07-01	17326.22
2007-10-01	17365.80
2008-01-01	17382.12
2008-04-01	17340.47
2008-07-01	17582.87
2008-10-01	17726.17
2009-01-01	17566.40
2009-04-01	17646.88
2009-07-01	17482.22
2009-10-01	17926.48
2010-01-01	17808.72
2010-04-01	17825.92
2010-07-01	17829.69
2010-10-01	17925.32
2011-01-01	18171.25
2011-04-01	18327.01
2011-07-01	18393.49
2011-10-01	18450.64