Quarter	US Dollars, monthly level
2006-01-01	-110538014095.3050100
2006-04-01	-116294574183.2020000
2006-07-01	-132879464710.5920100
2006-10-01	-87819022089.8604000
2007-01-01	-101288421925.7450000
2007-04-01	-94862468496.8325000
2007-07-01	-113339606231.2950000
2007-10-01	-118551351289.4060000
2008-01-01	-130536447024.9650100
2008-04-01	-128744810090.8110000
2008-07-01	-175645406355.3730200
2008-10-01	-129020905266.9260100
2009-01-01	-75904138031.3308000
2009-04-01	-35158512691.8975000
2009-07-01	-64026411568.4097000
2009-10-01	-43038930813.4286960
2010-01-01	-78306734898.4321000
2010-04-01	-85689697116.1743000
2010-07-01	-96109231552.3516100
2010-10-01	-48144494348.0513000
2011-01-01	-114261156082.4160000
2011-04-01	-125236964653.6080000
2011-07-01	-118027564573.7490100
2011-10-01	-99261024099.3423000
2012-01-01	-148384227732.8060000
2012-04-01	-82000633882.8389000
2012-07-01	-119302508781.1639900
2012-10-01	-97041952398.3676900
2013-01-01	-82121304372.9843900
2013-04-01	-32085105064.8052000
2013-07-01	-77029980278.4077000
2013-10-01	-11635979729.2500000
2014-01-01	-103030454825.2860000
2014-04-01	-34448054167.2295000
2014-07-01	-46807889383.5581000
2014-10-01	11281623388.3721000
2015-01-01	-4500129328.2280300
2015-04-01	31960035735.3212970
2015-07-01	-11942837838.0908000
2015-10-01	29581066883.3705980
2016-01-01	1935012793.5224600
2016-04-01	45180971514.1880000
2016-07-01	-16201965316.5464000
2016-10-01	37481970956.7744000
2017-01-01	-36692162715.7002000
2017-04-01	-3379359184.6176796
2017-07-01	-41809307429.7274900
2017-10-01	-14268129589.5967000
2018-01-01	-89565952357.4516000