Quarter	US Dollars, Sum Over Component Sub-periods, Seasonally Adjusted
1997-01-01	60720590070.4731
1997-04-01	60480693463.1639
1997-07-01	61914624704.6607
1997-10-01	62521714160.4916
1998-01-01	64017767709.3244
1998-04-01	64721600055.6914
1998-07-01	65701699215.9518
1998-10-01	68713464689.2536
1999-01-01	65950385392.5017
1999-04-01	65874665351.5570
1999-07-01	66005662751.6779
1999-10-01	66508562532.4338
2000-01-01	68078783690.3939
2000-04-01	65250280164.3631
2000-07-01	66671988432.6897
2000-10-01	68202133209.6690
2001-01-01	70005228356.1433
2001-04-01	69073486150.3510
2001-07-01	71614714884.2599
2001-10-01	72010210784.0210
2002-01-01	71566243936.6489
2002-04-01	75949972411.2562
2002-07-01	82103813489.8515
2002-10-01	82190615933.5712
2003-01-01	89718733225.9796
2003-04-01	91849229487.7135
2003-07-01	91239353119.9580
2003-10-01	100885292717.7530
2004-01-01	108418552319.0400
2004-04-01	110067494275.0390
2004-07-01	114268014346.2670
2004-10-01	119115246772.3130
2005-01-01	127065915345.3020
2005-04-01	123139944626.2270
2005-07-01	127087804878.0490
2005-10-01	126176260704.0910
2006-01-01	129476343223.7370
2006-04-01	138707109640.1190
2006-07-01	141113565875.0050
2006-10-01	146206466592.1400
2007-01-01	155536666375.3170
2007-04-01	163480722566.7300
2007-07-01	174336846929.4230
2007-10-01	185309375452.8330
2008-01-01	191458250099.8800
2008-04-01	199799531372.0390
2008-07-01	193322003398.9800
2008-10-01	169969792487.5230
2009-01-01	164645474651.9800
2009-04-01	166448933272.8100
2009-07-01	174857674152.4820
2009-10-01	190028550332.2670
2010-01-01	180734778597.7860
2010-04-01	171770934812.9950
2010-07-01	176153879291.7760
2010-10-01	187315748993.3490
2011-01-01	193753816706.9220
2011-04-01	202014968336.2120
2011-07-01	204916929448.8630
2011-10-01	200272163837.2410
2012-01-01	195171795768.4910
2012-04-01	198502671511.0070
2012-07-01	194610218978.1020
2012-10-01	201781017477.0720