Month Millions of Dollars 2011-01-01 0.0000000000000000 2011-02-01 0.0000000000000000 2011-03-01 0.0000000000000000 2011-04-01 0.0000000000000000 2011-05-01 0.0000000000000000 2011-06-01 0.0000000000000000 2011-07-01 0.0000000000000000 2011-08-01 1.1204270000000000 2011-09-01 21.3318100000000000 2011-10-01 15.9537919999999960 2011-11-01 5.5991539999999995 2011-12-01 15.9272370000000000 2012-01-01 4.4568970000000000 2012-02-01 2.7089940000000000 2012-03-01 7.5464300000000000 2012-04-01 3.2592560000000000 2012-05-01 5.1778890000000000 2012-06-01 1.7562610000000000 2012-07-01 0.9657800000000000 2012-08-01 11.1629800000000000 2012-09-01 0.1847980000000000 2012-10-01 1.1801860000000000 2012-11-01 13.6815030000000000 2012-12-01 3.4103160000000000 2013-01-01 0.5748830000000000 2013-02-01 1.1496880000000000 2013-03-01 0.6476710000000000 2013-04-01 3.3124730000000000 2013-05-01 7.8144810000000000 2013-06-01 14.0388560000000000 2013-07-01 13.1450010000000000 2013-08-01 2.1042050000000000 2013-09-01 24.0187130000000000 2013-10-01 14.1967630000000000 2013-11-01 6.1745790000000000 2013-12-01 1.0911370000000000 2014-01-01 2.8068740000000000 2014-02-01 3.0468370000000000 2014-03-01 19.7345390000000000 2014-04-01 2.9731870000000000 2014-05-01 2.4832760000000000 2014-06-01 7.1493210000000000 2014-07-01 5.9528100000000000 2014-08-01 1.1024920000000000 2014-09-01 4.2966200000000000 2014-10-01 8.7584680000000000 2014-11-01 12.9587990000000000 2014-12-01 5.9055140000000000 2015-01-01 1.2439190000000000 2015-02-01 5.8007660000000000 2015-03-01 0.1222140000000000 2015-04-01 13.1161250000000000 2015-05-01 9.2560430000000000 2015-06-01 3.5769760000000000 2015-07-01 0.8072660000000000 2015-08-01 2.4940820000000000 2015-09-01 3.4680980000000000 2015-10-01 11.3487170000000000 2015-11-01 6.2509390000000000 2015-12-01 2.0298520000000000 2016-01-01 3.9441500000000000 2016-02-01 0.3737960000000000 2016-03-01 11.7348100000000000 2016-04-01 9.6763990000000000 2016-05-01 4.4661760000000000 2016-06-01 2.2925380000000000 2016-07-01 0.5200180000000000 2016-08-01 11.3611840000000000 2016-09-01 5.0066470000000000 2016-10-01 4.4942660000000000 2016-11-01 0.1901150000000000 2016-12-01 1.4625170000000000 2017-01-01 4.3466990000000000 2017-02-01 13.8633460000000000 2017-03-01 12.2192680000000000 2017-04-01 12.7135450000000000 2017-05-01 1.8225760000000000 2017-06-01 3.4666250000000000 2017-07-01 1.1500750000000000 2017-08-01 7.2563880000000000 2017-09-01 2.5954590000000000 2017-10-01 4.7713770000000000 2017-11-01 1.8080370000000000 2017-12-01 3.6409570000000000 2018-01-01 2.7594600000000000 2018-02-01 8.2319260000000000 2018-03-01 7.6695100000000000 2018-04-01 11.7394140000000000 2018-05-01 12.9203480000000000 2018-06-01 4.2037550000000000 2018-07-01 3.4069880000000000 2018-08-01 1.7820850000000000 2018-09-01 2.8869790000000000 2018-10-01 13.0003020000000000