Quarter	US Dollars, Sum Over Component Sub-periods
1990-01-01	1040516172.658630
1990-04-01	901401230.348599
1990-07-01	891303719.545678
1990-10-01	954854633.642339
1991-01-01	1101211072.664360
1991-04-01	1118974418.469750
1991-07-01	895157060.434757
1991-10-01	1028712348.071160
1992-01-01	1139573721.305440
1992-04-01	846379238.174969
1992-07-01	989733629.300777
1992-10-01	930220273.625271
1993-01-01	1057219844.666350
1993-04-01	887145443.572722
1993-07-01	848116149.481110
1993-10-01	891634789.611435
1994-01-01	969641260.061612
1994-04-01	794366604.770058
1994-07-01	818950848.364043
1994-10-01	905459063.116611
1995-01-01	1149526066.350710
1995-04-01	650446027.077611
1995-07-01	877796901.893287
1995-10-01	887752844.889031
1996-01-01	1221673198.159820
1996-04-01	743002295.930829
1996-07-01	880142068.260880
1996-10-01	935047628.448744
1997-01-01	1183639439.935260
1997-04-01	786892340.241381
1997-07-01	885835298.647543
1997-10-01	880724829.674489
1998-01-01	1227869921.729410
1998-04-01	738752850.659971
1998-07-01	796530315.706046
1998-10-01	811967659.648061
1999-01-01	1250027572.515720
1999-04-01	814663951.120163
1999-07-01	932935448.405843
1999-10-01	964455512.791487
2000-01-01	1224391474.913400
2000-04-01	748006666.966980
2000-07-01	909009110.336295
2000-10-01	899914793.209674
2001-01-01	1307506053.268770
2001-04-01	849319808.811125
2001-07-01	957281553.398058
2001-10-01	975748749.445957
2002-01-01	1365261947.087730
2002-04-01	888674388.674389
2002-07-01	1041013500.543860
2002-10-01	1041777286.918850
2003-01-01	1557253931.790070
2003-04-01	1074930222.572100
2003-07-01	1202638700.947230
2003-10-01	1314989358.467620
2004-01-01	1886052571.659880
2004-04-01	1278302465.350180
2004-07-01	1412583490.541990
2004-10-01	1698577008.166500
2005-01-01	2846578396.454690
2005-04-01	1708748793.824380
2005-07-01	1938673757.686550
2005-10-01	2071903220.310100
2006-01-01	3446613154.703470
2006-04-01	1830952451.664640
2006-07-01	2051312542.735680
2006-10-01	2765098314.606740
2007-01-01	3325367019.460570
2007-04-01	2137135922.330100
2007-07-01	2610650510.204080
2007-10-01	2811449526.331870
2008-01-01	3544513732.254210
2008-04-01	2517233417.988720
2008-07-01	2629340666.368230
2008-10-01	2364296320.739150
2009-01-01	3205224280.055670
2009-04-01	2248371986.747400
2009-07-01	2614005772.444170
2009-10-01	2881136543.015000
2010-01-01	4081606508.022930
2010-04-01	2515727349.374150
2010-07-01	2933401770.819970
2010-10-01	2881958152.388470
2011-01-01	4363507301.243920
2011-04-01	2736008265.886000
2011-07-01	2993569897.594670
2011-10-01	3005573118.665060
2012-01-01	4412881310.776610
2012-04-01	2656987295.825770
2012-07-01	3048445456.982040
2012-10-01	3188698284.561050
2013-01-01	4424799233.285970
2013-04-01	2957595101.615420
2013-07-01	2995186136.071890
2013-10-01	3002667344.087390