Quarter	US Dollars, sum over component sub-periods
1996-01-01	-1588321540.399440000
1996-04-01	-595880367.099095000
1996-07-01	-738008684.146559000
1996-10-01	-364499956.827726960
1997-01-01	-1889053900.906659800
1997-04-01	-652064680.488607000
1997-07-01	-1091628915.469720000
1997-10-01	-416181924.058849000
1998-01-01	-5102706603.978749000
1998-04-01	-827309112.018521000
1998-07-01	-7147556478.447329500
1998-10-01	-1379563487.648490200
1999-01-01	-7128995741.764150000
1999-04-01	-3389625917.241890000
1999-07-01	-5091724181.779990000
1999-10-01	-859971552.357186900
2000-01-01	-4560908749.213880000
2000-04-01	-931327270.415870000
2000-07-01	-2894692183.450200000
2000-10-01	-864606523.325565900
2001-01-01	-1234587111.109520000
2001-04-01	-520058002.205136950
2001-07-01	-614244047.859237000
2001-10-01	-501245374.281503000
2002-01-01	-1457115899.822640000
2002-04-01	-670162307.192532100
2002-07-01	-856862740.728110000
2002-10-01	-338323289.969378000
2003-01-01	-1128898649.074830000
2003-04-01	-1737974970.430020000
2003-07-01	-470448305.806760000
2003-10-01	-658635240.372743000
2004-01-01	-2116990203.182600000
2004-04-01	-287411601.067292000
2004-07-01	-627283460.860864000
2004-10-01	-1758589353.101220100
2005-01-01	-1167655868.879800000
2005-04-01	-661255496.057362900
2005-07-01	-340827955.125429030
2005-10-01	-2711824803.133929700
2006-01-01	-2518985348.471640000
2006-04-01	-1227138588.482410000
2006-07-01	-298454036.232587000
2006-10-01	-710450171.114279000
2007-01-01	-2091740541.158840200
2007-04-01	-182806488.972700000
2007-07-01	-599478560.928945000
2007-10-01	-1155528969.683889900
2008-01-01	-1541453264.496319800
2008-04-01	-716079773.777775000
2008-07-01	-1102840983.026190000
2008-10-01	-2107539919.690389900
2009-01-01	-1045228117.496540100
2009-04-01	-757237910.105096000
2009-07-01	-1979375484.400590000
2009-10-01	-1209622226.741170000
2010-01-01	-1336658565.266240000
2010-04-01	-752075788.412725100
2010-07-01	-1916509436.911419900
2010-10-01	-961389203.247892000
2011-01-01	-2036089303.158840000
2011-04-01	-55570071.082210900
2011-07-01	-102777775.496463000
2011-10-01	2692844829.989980000
2012-01-01	761556938.719384000
2012-04-01	276326610.750296060
2012-07-01	-1514698385.375030000
2012-10-01	-539341116.017928000
2013-01-01	-2494506433.128550000
2013-04-01	-3520408825.507300400
2013-07-01	-1122953277.872670000
2013-10-01	-543583974.991933000
2014-01-01	-685593101.150744000
2014-04-01	-381441081.440130950
2014-07-01	-653207545.141503000
2014-10-01	-275377943.036107000
2015-01-01	-1110461572.964830200
2015-04-01	-220456961.080708000
2015-07-01	-533900101.554082000
2015-10-01	-388140998.557441000
2016-01-01	-4867289770.607910000
2016-04-01	34014496.348554604
2016-07-01	-843531478.265710000
2016-10-01	-903408143.789737000
2017-01-01	-589662123.976118000
2017-04-01	-1282058949.348590000
2017-07-01	-183230048.219474020
2017-10-01	-508223727.564753950
2018-01-01	-807276230.346832000
2018-04-01	-582211719.709446100
2018-07-01	-195268473.979716000