Quarter	Thousands of Persons, Seasonally Adjusted
1967-10-01	449.7442
1968-01-01	480.6089
1968-04-01	523.8197
1968-07-01	500.0097
1968-10-01	468.2630
1969-01-01	454.1534
1969-04-01	412.7064
1969-07-01	394.1875
1969-10-01	412.7064
1970-01-01	449.7442
1970-04-01	476.1997
1970-07-01	487.6638
1970-10-01	500.8915
1971-01-01	509.7100
1971-04-01	513.2374
1971-07-01	519.4104
1971-10-01	533.5200
1972-01-01	536.1656
1972-04-01	544.1023
1972-07-01	544.9841
1972-10-01	527.3471
1973-01-01	506.1826
1973-04-01	509.7100
1973-07-01	540.5748
1973-10-01	530.8744
1974-01-01	532.6382
1974-04-01	510.5919
1974-07-01	571.4396
1974-10-01	674.6162
1975-01-01	728.4091
1975-04-01	833.3494
1975-07-01	882.7331
1975-10-01	877.4420
1976-01-01	904.7794
1976-04-01	915.3616
1976-07-01	895.9609
1976-10-01	907.4249
1977-01-01	991.2008
1977-04-01	1080.2680
1977-07-01	1090.8500
1977-10-01	1036.1750
1978-01-01	1001.7830
1978-04-01	1061.7490
1978-07-01	1149.0520
1978-10-01	1164.0440
1979-01-01	1191.3810
1979-04-01	1226.6550
1979-07-01	1255.7560
1979-10-01	1278.6840
1980-01-01	1293.6760
1980-04-01	1293.6760
1980-07-01	1334.2410
1980-10-01	1409.1980
1981-01-01	1494.7380
1981-04-01	1567.9320
1981-07-01	1626.1340
1981-10-01	1648.1800
1982-01-01	1656.9990
1982-04-01	1709.9100
1982-07-01	1743.4200
1982-10-01	1742.5380
1983-01-01	1724.9010
1983-04-01	1758.4110
1983-07-01	1814.8500
1983-10-01	1909.2080
1984-01-01	2036.1950
1984-04-01	2092.6330
1984-07-01	2136.7260
1984-10-01	2174.6450
1985-01-01	2178.1730
1985-04-01	2173.1760
1985-07-01	2191.4010
1985-10-01	2186.9910
1986-01-01	2181.7000
1986-04-01	2225.7930
1986-07-01	2241.3720
1986-10-01	2255.7760
1987-01-01	2287.5220
1987-04-01	2278.4100
1987-07-01	2251.9540
1987-10-01	2225.7930
1988-01-01	2192.2820
1988-04-01	2163.7690
1988-07-01	2166.7090
1988-10-01	2127.3190
1989-01-01	2091.7510
1989-04-01	2061.7680
1989-07-01	2030.9040
1989-10-01	1985.9290
1990-01-01	1953.8890
1990-04-01	1933.3120
1990-07-01	1925.3750
1990-10-01	1936.2510
1991-01-01	1965.6470
1991-04-01	2029.1400
1991-07-01	2105.2730
1991-10-01	2152.0110
1992-01-01	2194.6340
1992-04-01	2240.1960
1992-07-01	2287.2280
1992-10-01	2342.7850
1993-01-01	2429.7940
1993-04-01	2527.0920
1993-07-01	2613.8070
1993-10-01	2684.3550
1994-01-01	2726.9780
1994-04-01	2732.8570
1994-07-01	2677.8880
1994-10-01	2618.2170
1995-01-01	2555.0000
1995-04-01	2509.0000
1995-07-01	2554.0000
1995-10-01	2583.0000
1996-01-01	2646.0000
1996-04-01	2698.0000
1996-07-01	2742.0000
1996-10-01	2758.0000
1997-01-01	2772.0000
1997-04-01	2769.0000
1997-07-01	2743.0000
1997-10-01	2700.0000
1998-01-01	2642.0000
1998-04-01	2637.0000
1998-07-01	2663.0000
1998-10-01	2666.0000
1999-01-01	2673.0000
1999-04-01	2643.0000
1999-07-01	2582.0000
1999-10-01	2479.0000
2000-01-01	2360.0000
2000-04-01	2270.0000
2000-07-01	2193.0000
2000-10-01	2133.0000
2001-01-01	2085.0000
2001-04-01	2054.0000
2001-07-01	2024.0000
2001-10-01	2022.0000
2002-01-01	2078.0000
2002-04-01	2099.0000
2002-07-01	2103.0000
2002-10-01	2148.0000
2003-01-01	2247.0000
2003-04-01	2294.0000
2003-07-01	2268.0000
2003-10-01	2367.0000
2004-01-01	2427.0000
2004-04-01	2376.0000
2004-07-01	2412.0000
2004-10-01	2426.0000
2005-01-01	2365.0000
2005-04-01	2416.0000
2005-07-01	2461.0000
2005-10-01	2485.0000
2006-01-01	2513.0000
2006-04-01	2459.0000
2006-07-01	2450.0000
2006-10-01	2316.0000
2007-01-01	2344.0000
2007-04-01	2256.0000
2007-07-01	2214.0000
2007-10-01	2085.0000
2008-01-01	1993.0000
2008-04-01	2036.0000
2008-07-01	2064.0000
2008-10-01	2174.0000
2009-01-01	2430.0000
2009-04-01	2601.0000
2009-07-01	2592.0000
2009-10-01	2702.0000
2010-01-01	2693.0000
2010-04-01	2641.0000
2010-07-01	2648.0000
2010-10-01	2627.0000
2011-01-01	2619.0000
2011-04-01	2586.0000
2011-07-01	2628.0000
2011-10-01	2678.0000