Quarter	Thousands of Persons, Seasonally Adjusted
1998-01-01	2750.657
1998-04-01	2755.255
1998-07-01	2767.714
1998-10-01	2766.653
1999-01-01	2778.855
1999-04-01	2766.625
1999-07-01	2764.496
1999-10-01	2770.967
2000-01-01	2777.718
2000-04-01	2783.795
2000-07-01	2784.118
2000-10-01	2779.644
2001-01-01	2770.275
2001-04-01	2771.705
2001-07-01	2776.626
2001-10-01	2782.998
2002-01-01	2787.528
2002-04-01	2800.267
2002-07-01	2811.982
2002-10-01	2823.131
2003-01-01	2842.078
2003-04-01	2833.815
2003-07-01	2839.839
2003-10-01	2842.505
2004-01-01	2851.006
2004-04-01	2859.450
2004-07-01	2859.039
2004-10-01	2867.244
2005-01-01	2869.004
2005-04-01	2870.937
2005-07-01	2873.392
2005-10-01	2875.781
2006-01-01	2887.312
2006-04-01	2886.003
2006-07-01	2889.121
2006-10-01	2896.418
2007-01-01	2905.234
2007-04-01	2905.917
2007-07-01	2916.050
2007-10-01	2917.874
2008-01-01	2920.423
2008-04-01	2926.299
2008-07-01	2923.472
2008-10-01	2922.270
2009-01-01	2909.310
2009-04-01	2915.816
2009-07-01	2925.215
2009-10-01	2920.321
2010-01-01	2926.138
2010-04-01	2918.080
2010-07-01	2910.337
2010-10-01	2907.669
2011-01-01	2890.016
2011-04-01	2878.813
2011-07-01	2863.438
2011-10-01	2849.290