Quarter	US Dollars, sum over component sub-periods
1995-01-01	-81905852.3052534000
1995-04-01	-65847849.4372576900
1995-07-01	-62832946.3188089000
1995-10-01	-70032498.7412460000
1996-01-01	35990402.5593175000
1996-04-01	1286670.0977869302
1996-07-01	11758557.6169323000
1996-10-01	-31954326.6158237980
1997-01-01	48369971.2926187000
1997-04-01	-54767428.5931617000
1997-07-01	-43299415.4578913000
1997-10-01	82429823.2585772000
1998-01-01	-44538478.0893638000
1998-04-01	-55090909.0909091000
1998-07-01	-34614104.5079694000
1998-10-01	-50590219.2242833000
1999-01-01	-72962791.6881936000
1999-04-01	-59178011.6507820000
1999-07-01	-71309413.1713714000
1999-10-01	-32174419.8037317020
2000-01-01	-29617931.3527775000
2000-04-01	-96189807.3109894000
2000-07-01	-62354157.8340357000
2000-10-01	-186070345.4692880000
2001-01-01	-21220940.2935386000
2001-04-01	-52428485.7835989000
2001-07-01	-140846834.8356630000
2001-10-01	-197942248.7507700000
2002-01-01	-74513493.5939281000
2002-04-01	-60694560.3276086000
2002-07-01	-212476668.4833690000
2002-10-01	-94043896.8599632000
2003-01-01	8588188.6776638900
2003-04-01	7951240.8000292290
2003-07-01	-56282851.1075776000
2003-10-01	-130889249.1876230000
2004-01-01	-31253745.8057473000
2004-04-01	-21694431.8713246000
2004-07-01	-99036858.6216251000
2004-10-01	-51816092.0615154000
2005-01-01	-47176519.2393948000
2005-04-01	10068087.6318885010
2005-07-01	52438538.4752681000
2005-10-01	11893593.9120730000
2006-01-01	-325985262.5659269700
2006-04-01	-16339505.5898954000
2006-07-01	-26765443.5822637980
2006-10-01	-634632769.4242050000
2007-01-01	-82600264.3836929000
2007-04-01	-10784629.5906858000
2007-07-01	328595249.4958570000
2007-10-01	-27532351.1371407020
2008-01-01	-121354803.1308300000
2008-04-01	9372348.5523735500
2008-07-01	-32989210.0508628000
2008-10-01	21013941.7224770000
2009-01-01	-67655077.3834517000
2009-04-01	-70814789.6322636000
2009-07-01	-101560085.3354240000
2009-10-01	373600629.4804290000
2010-01-01	709873187.5105020000
2010-04-01	-39391280.6704384000
2010-07-01	-96925788.1339338100
2010-10-01	-67866020.4939287000
2011-01-01	-27344509.8277235000
2011-04-01	-46057509.5797377000
2011-07-01	-73422137.3376339000
2011-10-01	-66019055.0625399050
2012-01-01	-110158514.1885010000
2012-04-01	-79505891.3902690000
2012-07-01	-50053915.9481652000
2012-10-01	-83059429.2505907000
2013-01-01	-137227448.4218950000
2013-04-01	-75748571.7764530000
2013-07-01	-58282679.1631365000
2013-10-01	-70777912.1333750000
2014-01-01	-54819696.5520202000
2014-04-01	-38395216.8630273040
2014-07-01	-13245229.0017638990
2014-10-01	-122367005.6858860000
2015-01-01	164356516.0962440000
2015-04-01	60832625.5545529950
2015-07-01	-1714237430.4307000000
2015-10-01	-362204531.1948470000
2016-01-01	-50698162.6993140000
2016-04-01	-706890102.5649600000
2016-07-01	757677182.1996751000
2016-10-01	-238129533.5849820000
2017-01-01	-44753398.1626696000
2017-04-01	-23095315.9519459980
2017-07-01	-8221434.1940577000
2017-10-01	-67118500.9409647900
2018-01-01	-113056740.8189020000
2018-04-01	23824147.7994227000