Quarter	US Dollars, sum over component sub-periods
1993-01-01	0.00000000000
1993-04-01	-562852636.07250200000
1993-07-01	0.00000000000
1993-10-01	0.00000000000
1994-01-01	0.00000000000
1994-04-01	0.00000000000
1994-07-01	0.00000000000
1994-10-01	0.00000000000
1995-01-01	1400811.63558838000
1995-04-01	3873245.62576552000
1995-07-01	301595.79009974300
1995-10-01	1286350.00724356020
1996-01-01	0.00000000000
1996-04-01	397524.98598171497
1996-07-01	261803.18909691102
1996-10-01	-36918.30594200130
1997-01-01	12009189.61415600000
1997-04-01	-450074.17038624200
1997-07-01	266276.24523909500
1997-10-01	1101145.08010367000
1998-01-01	-2397504.18476376000
1998-04-01	391545.89438118000
1998-07-01	316424.07719024300
1998-10-01	-303043.11258365004
1999-01-01	211643.00535477602
1999-04-01	56247.06780200520
1999-07-01	-403042.88655476900
1999-10-01	-85749.28542262150
2000-01-01	331250.71606201400
2000-04-01	359945.52851434400
2000-07-01	-229545.55243566900
2000-10-01	248648.72603318300
2001-01-01	-106179.95491373900
2001-04-01	-178317.71711340200
2001-07-01	-130890.63697540501
2001-10-01	-6326715.98902924000
2002-01-01	635704.63245970300
2002-04-01	-150783.01680223400
2002-07-01	-3807017.51628222040
2002-10-01	-32406.57085334580
2003-01-01	-67850.58762109110
2003-04-01	108058.77274548801
2003-07-01	1189354.93034471000
2003-10-01	925687.84931779700
2004-01-01	11964510.38211580000
2004-04-01	18650800.21801810300
2004-07-01	120759293.43527600000
2004-10-01	-752243762.39775200000
2005-01-01	603906485.07038500000
2005-04-01	50865207.48062280000
2005-07-01	657256.02413814900
2005-10-01	385402356.86849700000
2006-01-01	168308375.81219400000
2006-04-01	-40761421.57538699000
2006-07-01	102409215.97375800000
2006-10-01	239217291.92561100000
2007-01-01	191338899.98660702000
2007-04-01	29428722.67665350000
2007-07-01	187655536.89984500000
2007-10-01	711342292.55554600000
2008-01-01	411838524.02666100000
2008-04-01	807131451.68755600000
2008-07-01	112495471.32692900000
2008-10-01	82944633.66815090000
2009-01-01	722768509.20278300000
2009-04-01	231913174.11089900000
2009-07-01	34961526.35263820000
2009-10-01	969759623.69741400000
2010-01-01	49147353.73739710000
2010-04-01	394907212.33047700000
2010-07-01	631265480.57932100000
2010-10-01	357143596.37022400000
2011-01-01	7918356.57318996000
2011-04-01	61209918.28305899000
2011-07-01	33431822.21543789700
2011-10-01	577964545.33772100000
2012-01-01	3036074.63060299000
2012-04-01	18251778.48273170000
2012-07-01	363968455.64057200000
2012-10-01	2503877389.63042000000
2013-01-01	18298368.71704900300
2013-04-01	166473466.97446600000
2013-07-01	2853316382.84774000000
2013-10-01	952498397.30701210000
2014-01-01	1014600173.68472990000
2014-04-01	39419282.25411360000
2014-07-01	105734079.32877800000
2014-10-01	319027292.24324995000
2015-01-01	1229864585.59930000000
2015-04-01	2093163248.42770030000
2015-07-01	301772046.94001200000
2015-10-01	472763846.50974500000
2016-01-01	734313384.11200300000
2016-04-01	888714938.85557800000
2016-07-01	463120578.93927300000
2016-10-01	68058947.48622120000
2017-01-01	6737704.72259403000
2017-04-01	376278269.93998600000
2017-07-01	329962724.33680600000
2017-10-01	1320443700.03598000000
2018-01-01	10401824.41823640000
2018-04-01	168865459.60953600000