Quarter	US Dollars, sum over component sub-periods
2000-01-01	165295695.382463000
2000-04-01	110784922.593250990
2000-07-01	132278985.264470010
2000-10-01	309927515.023750000
2001-01-01	-98831812.482580700
2001-04-01	287107627.741544000
2001-07-01	98221416.632982100
2001-10-01	437763508.388991000
2002-01-01	233780195.750692000
2002-04-01	102056112.803718000
2002-07-01	221202805.170722000
2002-10-01	525264574.102638000
2003-01-01	-40870015.961055500
2003-04-01	413341968.667140000
2003-07-01	700070624.071039000
2003-10-01	496022317.746535960
2004-01-01	550928708.400377000
2004-04-01	472214482.189148000
2004-07-01	1314291201.965860000
2004-10-01	731976996.196070000
2005-01-01	366509002.040192000
2005-04-01	263488464.493514980
2005-07-01	870467721.694001100
2005-10-01	1123090468.256920000
2006-01-01	789933099.948568000
2006-04-01	1750214067.072430000
2006-07-01	1998905627.214970000
2006-10-01	1935941863.963790000
2007-01-01	2742180853.496609700
2007-04-01	2184415091.314870000
2007-07-01	3686495660.252780000
2007-10-01	2933417602.888840000
2008-01-01	-206487017.282407020
2008-04-01	2440479855.706279800
2008-07-01	483560195.341942000
2008-10-01	413931079.141252000
2009-01-01	-1863478942.542580000
2009-04-01	-884107061.272786000
2009-07-01	1867507782.392170000
2009-10-01	-258709928.395168000
2010-01-01	-308879172.271412000
2010-04-01	-591691767.443588000
2010-07-01	216194589.893906980
2010-10-01	1332958801.048430000
2011-01-01	-1016743439.818930000
2011-04-01	-58998697.786978096
2011-07-01	12730248.221768100
2011-10-01	-527764446.323053000
2012-01-01	515045944.791453960
2012-04-01	59120360.874281400
2012-07-01	-557344566.121812000
2012-10-01	-1087919844.590070000
2013-01-01	-376454968.071018040
2013-04-01	595390061.877914100
2013-07-01	-225215230.976107980
2013-10-01	-306020320.075675000
2014-01-01	-1029239802.764180100
2014-04-01	1844341667.170420000
2014-07-01	849019179.013066000
2014-10-01	-570629812.229077900
2015-01-01	226271642.022912000
2015-04-01	218997451.996391000
2015-07-01	-36686015.048127900
2015-10-01	-1024240003.620469900
2016-01-01	2209778613.307049800
2016-04-01	627844883.428303000
2016-07-01	-1028834111.911779900
2016-10-01	-705768527.141010000
2017-01-01	532778549.555590000
2017-04-01	304638215.175668000
2017-07-01	519124844.824786000
2017-10-01	670007491.849280000
2018-01-01	-2230412875.938110400
2018-04-01	-1243620515.129870000