Quarter	Thousands of Persons, Seasonally Adjusted
1959-01-01	21646.69
1959-04-01	21546.96
1959-07-01	21436.49
1959-10-01	21487.46
1960-01-01	21211.80
1960-04-01	21137.51
1960-07-01	21311.97
1960-10-01	21176.31
1961-01-01	21191.80
1961-04-01	21397.75
1961-07-01	21120.24
1961-10-01	20813.33
1962-01-01	20971.15
1962-04-01	20796.15
1962-07-01	20837.92
1962-10-01	20888.22
1963-01-01	20461.39
1963-04-01	20382.53
1963-07-01	20309.80
1963-10-01	20377.69
1964-01-01	20485.78
1964-04-01	20271.75
1964-07-01	20148.22
1964-10-01	20066.43
1965-01-01	20965.83
1965-04-01	20954.94
1965-07-01	21191.27
1965-10-01	21168.59
1966-01-01	20843.31
1966-04-01	20752.95
1966-07-01	20913.52
1966-10-01	20833.35
1967-01-01	21066.94
1967-04-01	20919.34
1967-07-01	20858.98
1967-10-01	21013.37
1968-01-01	21010.85
1968-04-01	21137.73
1968-07-01	21060.73
1968-10-01	20945.24
1969-01-01	20883.16
1969-04-01	20917.22
1969-07-01	20776.26
1969-10-01	20845.78
1970-01-01	20834.19
1970-04-01	20788.89
1970-07-01	20954.87
1970-10-01	20956.99
1971-01-01	20926.75
1971-04-01	21060.62
1971-07-01	20849.43
1971-10-01	20685.14
1972-01-01	20754.68
1972-04-01	20582.21
1972-07-01	20759.54
1972-10-01	20746.19
1973-01-01	20673.02
1973-04-01	20920.53
1973-07-01	20915.59
1973-10-01	20998.57
1974-01-01	21082.27
1974-04-01	20926.92
1974-07-01	20977.93
1974-10-01	21193.62
1975-01-01	21308.90
1975-04-01	21142.61
1975-07-01	21129.99
1975-10-01	21348.49
1976-01-01	21174.22
1976-04-01	21434.18
1976-07-01	21832.23
1976-10-01	21757.84
1977-01-01	21880.29
1977-04-01	22091.36
1977-07-01	21811.36
1977-10-01	21703.29
1978-01-01	21865.82
1978-04-01	21920.56
1978-07-01	21992.20
1978-10-01	22020.97
1979-01-01	22066.27
1979-04-01	22131.96
1979-07-01	22445.01
1979-10-01	22462.35
1980-01-01	22413.94
1980-04-01	22426.01
1980-07-01	22689.08
1980-10-01	22691.03
1981-01-01	22645.94
1981-04-01	22672.38
1981-07-01	22646.68
1981-10-01	22818.03
1982-01-01	22829.93
1982-04-01	22865.00
1982-07-01	22770.98
1982-10-01	22746.02
1983-01-01	22902.13
1983-04-01	23120.74
1983-07-01	23054.34
1983-10-01	23173.86
1984-01-01	23360.36
1984-04-01	23217.17
1984-07-01	23314.31
1984-10-01	23416.55
1985-01-01	23311.30
1985-04-01	23433.35
1985-07-01	23597.83
1985-10-01	23640.93
1986-01-01	23785.91
1986-04-01	23810.70
1986-07-01	23733.64
1986-10-01	24083.07
1987-01-01	23990.86
1987-04-01	23963.70
1987-07-01	24085.02
1987-10-01	24091.13
1988-01-01	24226.70
1988-04-01	24286.29
1988-07-01	24225.30
1988-10-01	24237.35
1989-01-01	24220.18
1989-04-01	24189.63
1989-07-01	24266.40
1989-10-01	24351.98
1990-01-01	24488.31
1990-04-01	24381.82
1990-07-01	24570.41
1990-10-01	24619.21
1991-01-01	24643.40
1991-04-01	24556.00
1991-07-01	24568.68
1991-10-01	24625.01
1992-01-01	24619.48
1992-04-01	24724.51
1992-07-01	24481.70
1992-10-01	23634.65
1993-01-01	23612.18
1993-04-01	23639.93
1993-07-01	23602.24
1993-10-01	23569.20
1994-01-01	23477.74
1994-04-01	23455.34
1994-07-01	23385.02
1994-10-01	23371.66
1995-01-01	23374.72
1995-04-01	23336.04
1995-07-01	23393.58
1995-10-01	23387.15
1996-01-01	23409.98
1996-04-01	23426.27
1996-07-01	23472.89
1996-10-01	23469.50
1997-01-01	23471.37
1997-04-01	23520.67
1997-07-01	23488.06
1997-10-01	23516.92
1998-01-01	23600.95
1998-04-01	23689.42
1998-07-01	23732.41
1998-10-01	23837.85
1999-01-01	23848.45
1999-04-01	23869.30
1999-07-01	23896.93
1999-10-01	23875.99
2000-01-01	23944.31
2000-04-01	23951.17
2000-07-01	24072.70
2000-10-01	24100.24
2001-01-01	24149.79
2001-04-01	24090.86
2001-07-01	24136.09
2001-10-01	24179.89
2002-01-01	24237.86
2002-04-01	24299.02
2002-07-01	24323.46
2002-10-01	24286.44
2003-01-01	24246.14
2003-04-01	24308.87
2003-07-01	24375.62
2003-10-01	24405.23
2004-01-01	24327.58
2004-04-01	24366.31
2004-07-01	24390.46
2004-10-01	24468.38
2005-01-01	24422.18
2005-04-01	24449.86
2005-07-01	24426.42
2005-10-01	24562.83
2006-01-01	24654.56
2006-04-01	24708.13
2006-07-01	24594.48
2006-10-01	24579.83
2007-01-01	24562.70
2007-04-01	24628.02
2007-07-01	24814.94
2007-10-01	24933.04
2008-01-01	25128.40
2008-04-01	25149.52
2008-07-01	25054.97
2008-10-01	25046.26
2009-01-01	25023.85
2009-04-01	24962.63
2009-07-01	24959.96
2009-10-01	24983.26
2010-01-01	25031.05
2010-04-01	25032.62
2010-07-01	24897.46
2010-10-01	24950.75
2011-01-01	24985.79
2011-04-01	25017.50
2011-07-01	25094.27
2011-10-01	25180.86