Quarter	Thousands of Persons, Seasonally Adjusted
1956-01-01	920.3333
1956-04-01	897.3333
1956-07-01	891.0000
1956-10-01	862.0000
1957-01-01	715.3333
1957-04-01	824.6667
1957-07-01	777.6667
1957-10-01	758.0000
1958-01-01	854.3333
1958-04-01	780.0000
1958-07-01	699.3333
1958-10-01	657.6667
1959-01-01	643.6667
1959-04-01	529.0000
1959-07-01	408.0000
1959-10-01	347.0000
1960-01-01	302.0000
1960-04-01	262.0000
1960-07-01	228.3333
1960-10-01	204.3333
1961-01-01	181.0000
1961-04-01	183.3333
1961-07-01	182.0000
1961-10-01	163.3333
1962-01-01	152.0093
1962-04-01	153.3101
1962-07-01	155.3719
1962-10-01	161.1722
1963-01-01	204.3199
1963-04-01	167.0534
1963-07-01	174.3421
1963-10-01	173.3822
1964-01-01	172.8395
1964-04-01	170.3107
1964-07-01	169.9029
1964-10-01	158.5366
1965-01-01	154.9464
1965-04-01	144.3182
1965-07-01	141.0460
1965-10-01	139.0244
1966-01-01	134.4640
1966-04-01	131.3131
1966-07-01	162.2875
1966-10-01	245.4435
1967-01-01	362.6847
1967-04-01	536.7483
1967-07-01	556.5611
1967-10-01	477.6840
1968-01-01	365.8537
1968-04-01	348.1646
1968-07-01	290.1326
1968-10-01	236.3420
1969-01-01	211.9669
1969-04-01	169.4537
1969-07-01	152.2988
1969-10-01	144.6908
1970-01-01	160.9345
1970-04-01	137.5839
1970-07-01	137.2549
1970-10-01	143.8356
1971-01-01	162.4501
1971-04-01	177.4554
1971-07-01	195.0887
1971-10-01	217.8771
1972-01-01	232.9428
1972-04-01	245.8655
1972-07-01	258.5752
1972-10-01	250.2732
1973-01-01	236.6906
1973-04-01	251.3543
1973-07-01	274.4600
1973-10-01	340.4941
1974-01-01	442.7711
1974-04-01	526.6524
1974-07-01	619.0476
1974-10-01	786.6242
1975-01-01	881.4757
1975-04-01	1110.5260
1975-07-01	1206.1250
1975-10-01	1152.4710
1976-01-01	1058.5370
1976-04-01	1082.6360
1976-07-01	1063.9270
1976-10-01	1019.8950
1977-01-01	986.6556
1977-04-01	1041.7540
1977-07-01	1060.1340
1977-10-01	1030.3030
1978-01-01	998.3051
1978-04-01	1011.5060
1978-07-01	992.3329
1978-10-01	962.3824
1979-01-01	935.9522
1979-04-01	877.3585
1979-07-01	852.1739
1979-10-01	820.6465
1980-01-01	829.8969
1980-04-01	845.9119
1980-07-01	907.1274
1980-10-01	980.2289
1981-01-01	1089.1780
1981-04-01	1193.3120
1981-07-01	1334.0490
1981-10-01	1500.5190
1982-01-01	1645.6690
1982-04-01	1761.9540
1982-07-01	1883.5470
1982-10-01	2067.4270
1983-01-01	2161.9470
1983-04-01	2291.0220
1983-07-01	2309.9790
1983-10-01	2278.2970
1984-01-01	2218.0520
1984-04-01	2269.7440
1984-07-01	2296.4140
1984-10-01	2277.8360
1985-01-01	2288.9290
1985-04-01	2320.7360
1985-07-01	2306.4010
1985-10-01	2297.1850
1986-01-01	2288.9490
1986-04-01	2245.4180
1986-07-01	2199.5820
1986-10-01	2163.7120
1987-01-01	2213.8310
1987-04-01	2227.8740
1987-07-01	2237.5000
1987-10-01	2234.3750
1988-01-01	2256.8560
1988-04-01	2270.6000
1988-07-01	2238.3420
1988-10-01	2190.6250
1989-01-01	2087.1560
1989-04-01	2045.8250
1989-07-01	1994.8510
1989-10-01	2010.4170
1990-01-01	1959.4470
1990-04-01	1920.4080
1990-07-01	1859.6310
1990-10-01	1779.3970
1991-01-01	2031.0420
1991-04-01	2107.0400
1991-07-01	2333.1580
1991-10-01	2362.4580
1992-01-01	2502.6320
1992-04-01	2555.7320
1992-07-01	2653.8280
1992-10-01	2758.7270
1993-01-01	2879.9500
1993-04-01	3036.8060
1993-07-01	3211.4190
1993-10-01	3349.2290
1994-01-01	3366.2780
1994-04-01	3392.8290
1994-07-01	3308.6340
1994-10-01	3200.2860
1995-01-01	3137.1990
1995-04-01	3162.4390
1995-07-01	3217.3610
1995-10-01	3288.3970
1996-01-01	3431.2950
1996-04-01	3447.2690
1996-07-01	3514.5430
1996-10-01	3634.8560
1997-01-01	3830.5460
1997-04-01	3890.8180
1997-07-01	3952.9120
1997-10-01	3960.6680
1998-01-01	3883.9020
1998-04-01	3748.1020
1998-07-01	3593.9150
1998-10-01	3524.0030
1999-01-01	3402.5440
1999-04-01	3357.2940
1999-07-01	3322.2740
1999-10-01	3243.1280
2000-01-01	3143.1310
2000-04-01	3067.2980
2000-07-01	3039.6960
2000-10-01	3006.1170
2001-01-01	3029.1410
2001-04-01	3055.5270
2001-07-01	3130.4940
2001-10-01	3236.7110
2002-01-01	3296.3440
2002-04-01	3376.2860
2002-07-01	3483.4290
2002-10-01	3614.0640
2003-01-01	3791.7650
2003-04-01	3869.0160
2003-07-01	3862.2490
2003-10-01	3828.6130
2004-01-01	3856.2220
2004-04-01	3892.4860
2004-07-01	3952.2530
2004-10-01	3975.4000
2005-01-01	4419.0850
2005-04-01	4644.0090
2005-07-01	4645.0400
2005-10-01	4576.2580
2006-01-01	4394.5130
2006-04-01	4235.9800
2006-07-01	4143.6470
2006-10-01	4189.8050
2007-01-01	3699.1780
2007-04-01	3586.2260
2007-07-01	3588.1110
2007-10-01	3521.3330
2008-01-01	3221.5040
2008-04-01	3256.0060
2008-07-01	3046.5940
2008-10-01	3013.4650
2009-01-01	3161.0090
2009-04-01	3278.4660
2009-07-01	3317.2590
2009-10-01	3163.8460
2010-01-01	3145.2640
2010-04-01	2959.2690
2010-07-01	2839.7730
2010-10-01	2823.7790
2011-01-01	2637.3550
2011-04-01	2508.0650
2011-07-01	2477.3030
2011-10-01	2371.0300