Quarter	Thousands of Persons, Seasonally Adjusted
1983-04-01	1425
1983-10-01	1476
1985-04-01	1499
1985-10-01	1523
1987-04-01	1507
1987-10-01	1499
1989-04-01	1517
1989-10-01	1533
1991-04-01	1598
1991-10-01	1640
1994-04-01	1708
1994-10-01	1730
1996-04-01	1738
1997-04-01	1765
1998-04-01	1797.100
1999-01-01	1890.826
1999-04-01	1883.841
1999-07-01	1883.820
1999-10-01	1867.680
2000-01-01	1860.095
2000-04-01	1911.040
2000-07-01	1904.813
2000-10-01	1880.437
2001-01-01	1853.110
2001-04-01	1838.529
2001-07-01	1836.122
2001-10-01	1863.891
2002-01-01	1877.102
2002-04-01	1878.836
2002-07-01	1916.220
2002-10-01	1904.876
2003-01-01	1914.559
2003-04-01	1905.297
2003-07-01	1918.955
2003-10-01	1956.782
2004-01-01	1960.715
2004-04-01	1972.001
2004-07-01	1969.227
2004-10-01	1989.591
2005-01-01	2032.719
2005-04-01	2051.405
2005-07-01	2042.733
2005-10-01	2044.304
2006-01-01	2035.932
2006-04-01	2055.513
2006-07-01	2082.828
2006-10-01	2084.059
2007-01-01	2089.042
2007-04-01	2120.691
2007-07-01	2100.555
2007-10-01	2151.292
2008-01-01	2144.644
2008-04-01	2128.792
2008-07-01	2177.046
2008-10-01	2143.733
2009-01-01	2155.673
2009-04-01	2169.728
2009-07-01	2165.665
2009-10-01	2177.872
2010-01-01	2224.726
2010-04-01	2189.125
2010-07-01	2214.421
2010-10-01	2252.008
2011-01-01	2158.693
2011-04-01	2234.065
2011-07-01	2218.521
2011-10-01	2212.246