Quarter	Thousands of Persons, Seasonally Adjusted
1997-10-01	1642.983
1998-01-01	1640.104
1998-04-01	1635.627
1998-07-01	1648.018
1998-10-01	1657.385
1999-01-01	1670.649
1999-04-01	1704.069
1999-07-01	1725.875
1999-10-01	1741.053
2000-01-01	1750.612
2000-04-01	1763.687
2000-07-01	1774.804
2000-10-01	1786.836
2001-01-01	1795.372
2001-04-01	1804.111
2001-07-01	1830.988
2001-10-01	1836.920
2002-01-01	1849.277
2002-04-01	1857.937
2002-07-01	1860.958
2002-10-01	1871.843
2003-01-01	1883.711
2003-04-01	1893.752
2003-07-01	1905.274
2003-10-01	1920.613
2004-01-01	1932.898
2004-04-01	1938.574
2004-07-01	1957.326
2004-10-01	1986.281
2005-01-01	2002.448
2005-04-01	2029.281
2005-07-01	2054
2005-10-01	2077.238
2006-01-01	2106.012
2006-04-01	2125.288
2006-07-01	2152.443
2006-10-01	2169.133
2007-01-01	2187.951
2007-04-01	2209.321
2007-07-01	2226.545
2007-10-01	2248.390
2008-01-01	2255.619
2008-04-01	2226.960
2008-07-01	2243.610
2008-10-01	2217.897
2009-01-01	2206.325
2009-04-01	2198.704
2009-07-01	2181.803
2009-10-01	2161.187
2010-01-01	2151.233
2010-04-01	2145.156
2010-07-01	2133.832
2010-10-01	2126.753
2011-01-01	2119.078
2011-04-01	2113.023
2011-07-01	2106.549
2011-10-01	2112.370