Quarter	Millions of US Dollars
2010-04-01	71745
2010-07-01	87732
2010-10-01	78920
2011-01-01	98229
2011-04-01	94588
2011-07-01	79046
2011-10-01	64543
2012-01-01	75159
2012-04-01	75216
2012-07-01	81760
2012-10-01	83472
2013-01-01	83769
2013-04-01	89012
2013-07-01	93028
2013-10-01	96849
2014-01-01	98007
2014-04-01	99011
2014-07-01	72717
2014-10-01	69663
2015-01-01	68130
2015-04-01	67591
2015-07-01	70928
2015-10-01	67119
2016-01-01	75199
2016-04-01	71901
2016-07-01	76857
2016-10-01	71807
2017-01-01	76964
2017-04-01	83383
2017-07-01	88872
2017-10-01	92303
2018-01-01	97866