Quarter US Dollars, sum over component sub-periods 2006-01-01 0.000000000 2006-04-01 0.000000000 2006-07-01 0.000000000 2006-10-01 0.000000000 2007-01-01 0.000000000 2007-04-01 0.000000000 2007-07-01 0.000000000 2007-10-01 0.000000000 2008-01-01 0.000000000 2008-04-01 0.000000000 2008-07-01 0.000000000 2008-10-01 0.000000000 2009-01-01 0.000000000 2009-04-01 0.000000000 2009-07-01 0.000000000 2009-10-01 0.000000000 2010-01-01 0.000000000 2010-04-01 0.000000000 2010-07-01 0.000000000 2010-10-01 0.000000000 2011-01-01 0.000000000 2011-04-01 0.000000000 2011-07-01 0.000000000 2011-10-01 0.000000000 2012-01-01 -30133333.330000000 2012-04-01 -16533333.330000002 2012-07-01 -138933333.299999980 2012-10-01 -85600000.000000000 2013-01-01 -29866666.670000000 2013-04-01 -60000000.000000000 2013-07-01 -90666666.670000000 2013-10-01 -154666666.700000020 2014-01-01 -36000000.000000000 2014-04-01 -83733333.330000000 2014-07-01 -94400000.000000000 2014-10-01 -114666666.699999990 2015-01-01 -305306666.700000000 2015-04-01 -307946666.700000000 2015-07-01 -199013333.300000000 2015-10-01 -249920000.000000000 2016-01-01 -227173333.299999980 2016-04-01 -304480000.000000000 2016-07-01 -195280000.000000000 2016-10-01 -170453333.300000000 2017-01-01 -140506666.700000020 2017-04-01 -301546666.700000000 2017-07-01 -191419733.299999980 2017-10-01 -156853333.300000000 2018-01-01 -137429066.700000000 2018-04-01 -178059844.200000000