Quarter	Thousands of Persons, Seasonally Adjusted
1972-07-01	41.0354
1972-10-01	42.9940
1973-01-01	47.5331
1973-04-01	55.4034
1973-07-01	65.6260
1973-10-01	76.9318
1974-01-01	79.7433
1974-04-01	84.0145
1974-07-01	93.3459
1974-10-01	105.1493
1975-01-01	110.5199
1975-04-01	116.1882
1975-07-01	118.0322
1975-10-01	126.9794
1976-01-01	148.4233
1976-04-01	179.9328
1976-07-01	179.0548
1976-10-01	181.7635
1977-01-01	186.6000
1977-04-01	195.0995
1977-07-01	221.4295
1977-10-01	233.7774
1978-01-01	273.1123
1978-04-01	294.0534
1978-07-01	314.2021
1978-10-01	333.6005
1979-01-01	347.8365
1979-04-01	361.4658
1979-07-01	385.6124
1979-10-01	415.5629
1980-01-01	455.4399
1980-04-01	492.9715
1980-07-01	516.9011
1980-10-01	549.7596
1981-01-01	573.6983
1981-04-01	606.7765
1981-07-01	627.7486
1981-10-01	682.1105
1982-01-01	687.8724
1982-04-01	724.6220
1982-07-01	761.2727
1982-10-01	794.6358
1983-01-01	828.5114
1983-04-01	834.4946
1983-07-01	850.2188
1983-10-01	874.5204
1984-01-01	922.4946
1984-04-01	948.2709
1984-07-01	982.7031
1984-10-01	1022.4420
1985-01-01	1034.6110
1985-04-01	1061.2280
1985-07-01	1075.3780
1985-10-01	1086.5290
1986-01-01	1087.7150
1986-04-01	1087.1540
1986-07-01	1094.6410
1986-10-01	1134.3720
1987-01-01	1180.0810
1987-04-01	1342.5380
1987-07-01	1374.1680
1987-10-01	1401.5440
1988-01-01	1432.2440
1988-04-01	1447.6350
1988-07-01	1434.5830
1988-10-01	1393.0730
1989-01-01	1385.4890
1989-04-01	1345.5460
1989-07-01	1330.4270
1989-10-01	1321.5870
1990-01-01	1324.1080
1990-04-01	1322.2150
1990-07-01	1310.0110
1990-10-01	1304.5240
1991-01-01	1288.2690
1991-04-01	1289.8380
1991-07-01	1346.1000
1991-10-01	1362.9710
1992-01-01	1395.1880
1992-04-01	1437.7330
1992-07-01	1452.3640
1992-10-01	1546.2060
1993-01-01	1625.3990
1993-04-01	1676.1780
1993-07-01	1739.1430
1993-10-01	1801.6860
1994-01-01	1853.7060
1994-04-01	1922.3910
1994-07-01	1913.3600
1994-10-01	1931.7040
1995-01-01	1928.8220
1995-04-01	1901.2390
1995-07-01	1894.6300
1995-10-01	1878.2520
1996-01-01	1883.4570
1996-04-01	1884.3570
1996-07-01	1871.2810
1996-10-01	1843.6380
1997-01-01	1845.2740
1997-04-01	1843.4100
1997-07-01	1833.5370
1997-10-01	1810.1640
1998-01-01	1776.8700
1998-04-01	1787.4210
1998-07-01	1753.5380
1998-10-01	1717.5740
1999-01-01	1619.6500
1999-04-01	1566.8270
1999-07-01	1539.3460
1999-10-01	1535.9340
2000-01-01	1519.1500
2000-04-01	1473.8120
2000-07-01	1436.7730
2000-10-01	1416.2780
2001-01-01	1081.2780
2001-04-01	1075.7600
2001-07-01	1057.9630
2001-10-01	1099.0300
2002-01-01	1189.0730
2002-04-01	1235.7680
2002-07-01	1244.3530
2002-10-01	1241.4990
2003-01-01	1274.4780
2003-04-01	1259.1410
2003-07-01	1273.6070
2003-10-01	1258.8040
2004-01-01	1243.4440
2004-04-01	1262.1800
2004-07-01	1245.8200
2004-10-01	1221.2760
2005-01-01	1123.1110
2005-04-01	1058.7400
2005-07-01	1002.2680
2005-10-01	1013.8740
2006-01-01	1050.8440
2006-04-01	1045.6150
2006-07-01	1046.4790
2006-10-01	1043.1190
2007-01-01	1013.8990
2007-04-01	983.1168
2007-07-01	1031.4940
2007-10-01	1049.7260
2008-01-01	1107.8500
2008-04-01	1200.0920
2008-07-01	1294.5030
2008-10-01	1525.9830
2009-01-01	1742.1760
2009-04-01	1848.8410
2009-07-01	1897.2360
2009-10-01	1944.7330
2010-01-01	1984.5070
2010-04-01	2108.7260
2010-07-01	2158.3810
2010-10-01	2162.0580
2011-01-01	2198.9110
2011-04-01	2233.6330
2011-07-01	2364.3780
2011-10-01	2441.9080
2012-01-01	2533.8390