Quarter	US Dollars, sum over component sub-periods
2003-01-01	-1186243561.102320000
2003-04-01	-480482122.630337950
2003-07-01	245393230.829038000
2003-10-01	-305804882.192901000
2004-01-01	8751048.825609240
2004-04-01	54236079.678311500
2004-07-01	-365580502.813159000
2004-10-01	-544068966.645912000
2005-01-01	-418036378.815749000
2005-04-01	-347349023.300153000
2005-07-01	-308533726.377739970
2005-10-01	-1101346796.257960000
2006-01-01	620695186.287890000
2006-04-01	-377065513.612971000
2006-07-01	-65001791.556926410
2006-10-01	-32247600.072368100
2007-01-01	-165200528.767386000
2007-04-01	109194374.605694000
2007-07-01	705311142.223324100
2007-10-01	573832160.542512000
2008-01-01	-110867351.008413000
2008-04-01	-535785925.577353950
2008-07-01	-877213085.443396900
2008-10-01	206199303.151806000
2009-01-01	405930464.300710000
2009-04-01	303686501.692207000
2009-07-01	6389702833.709000000
2009-10-01	-143238186.006331000
2010-01-01	500924159.607801000
2010-04-01	142316885.002874000
2010-07-01	133111415.703936000
2010-10-01	43434253.116114400
2011-01-01	846312579.168041000
2011-04-01	-18710863.266768400
2011-07-01	286628728.452686000
2011-10-01	383988381.486201000
2012-01-01	313427201.083947960
2012-04-01	110282365.476825010
2012-07-01	82588961.314472600
2012-10-01	154438626.262817000
2013-01-01	-471059606.602081000
2013-04-01	61382463.336091200
2013-07-01	-173523431.144793000
2013-10-01	114333550.369298000
2014-01-01	-334400148.967323000
2014-04-01	-356527013.728109960
2014-07-01	-230466984.630692000
2014-10-01	-440770949.052220000
2015-01-01	-1088580486.747039800
2015-04-01	-19908859.272399202
2015-07-01	35574317.622427000
2015-10-01	-7659914.556990720
2016-01-01	-904851990.785582000
2016-04-01	-18067478.659807300
2016-07-01	-40171396.994386300
2016-10-01	-49565423.280132000
2017-01-01	273848174.471573000
2017-04-01	288141560.924278000
2017-07-01	108053135.121900990
2017-10-01	561675876.295442000
2018-01-01	341627977.691898050
2018-04-01	231094233.654401000