Quarter US Dollars, sum over component sub-periods 1995-01-01 -917100000.0000000 1995-04-01 -1545700000.0000000 1995-07-01 -1039200000.0000000 1995-10-01 -150100000.0000000 1996-01-01 -1069599999.9999999 1996-04-01 -1293100000.0000000 1996-07-01 -1306800000.0000000 1996-10-01 332600000.0000000 1997-01-01 -351800000.0000000 1997-04-01 -866500000.0000000 1997-07-01 -420900000.0000000 1997-10-01 1514300000.0000000 1998-01-01 -469100000.0000000 1998-04-01 28800000.0000000 1998-07-01 -931300000.0000000 1998-10-01 -68700000.0000000 1999-01-01 -3686400000.0000000 1999-04-01 -423000000.0000000 1999-07-01 -2114699999.9999998 1999-10-01 481800000.0000000 2000-01-01 -1832200000.0000000 2000-04-01 70400000.0000000 2000-07-01 -33400000.0000000 2000-10-01 -2970200000.0000000 2001-01-01 3097800000.0000000 2001-04-01 -669700000.0000000 2001-07-01 202900000.0000000 2001-10-01 -800000.0000000 2002-01-01 1291300000.0000000 2002-04-01 -130500000.0000000 2002-07-01 -566200000.0000000 2002-10-01 1399000000.0000000 2003-01-01 1095700000.0000000 2003-04-01 1147000000.0000000 2003-07-01 -101100000.0000000 2003-10-01 2417400000.0000000 2004-01-01 2403600000.0000000 2004-04-01 1066200000.0000000 2004-07-01 -2275700000.0000000 2004-10-01 3915100000.0000000 2005-01-01 626700000.0000000 2005-04-01 4180800000.0000000 2005-07-01 2183900000.0000000 2005-10-01 4572200000.0000000 2006-01-01 5650900000.0000000 2006-04-01 1397700000.0000000 2006-07-01 3431400000.0000000 2006-10-01 99200000.0000000 2007-01-01 1709800000.0000000 2007-04-01 1637500000.0000000 2007-07-01 -952900000.0000000 2007-10-01 780500000.0000000 2008-01-01 -89700000.0000000 2008-04-01 1234200000.0000000 2008-07-01 793700000.0000000 2008-10-01 -200400000.0000000 2009-01-01 1905300000.0000000 2009-04-01 980700000.0000000 2009-07-01 1915500000.0000000 2009-10-01 5039400000.0000000 2010-01-01 1897600000.0000000 2010-04-01 4828400000.0000000 2010-07-01 -188000000.0000000 2010-10-01 1773300000.0000000 2011-01-01 2679600000.0000000 2011-04-01 -2022200000.0000000 2011-07-01 4114000000.0000000 2011-10-01 5505800000.0000000 2012-01-01 -993900000.0000000 2012-04-01 4365000000.0000000 2012-07-01 -865400000.0000000 2012-10-01 1995800000.0000000 2013-01-01 690200000.0000000 2013-04-01 -318400000.0000000 2013-07-01 410700000.0000000 2013-10-01 7622200000.0000000 2014-01-01 4488000000.0000000 2014-04-01 2622100000.0000000 2014-07-01 4387800000.0000000 2014-10-01 6321400000.0000000 2015-01-01 7030700000.0000000 2015-04-01 690200000.0000000 2015-07-01 2592400000.0000000 2015-10-01 4811100000.0000000 2016-01-01 1277600000.0000000 2016-04-01 666700000.0000000 2016-07-01 4953200000.0000000 2016-10-01 2732100000.0000000 2017-01-01 4893200000.0000000 2017-04-01 -2706600000.0000000 2017-07-01 3316800000.0000000 2017-10-01 4346400000.0000000 2018-01-01 -3316700000.0000000 2018-04-01 -1556000000.0000000