Month Millions of Dollars 2009-01-01 0.0331190000000000100 2009-02-01 0.0000000000000000000 2009-03-01 0.0000000000000000000 2009-04-01 0.0158399999999999960 2009-05-01 0.0959700000000000000 2009-06-01 0.0567930000000000100 2009-07-01 0.0903759999999999800 2009-08-01 0.0240120000000000000 2009-09-01 0.0228220000000000000 2009-10-01 0.0074700000000000000 2009-11-01 0.0229600000000000000 2009-12-01 0.0265660000000000030 2010-01-01 0.0311300000000000000 2010-02-01 0.0025519999999999996 2010-03-01 0.0135790000000000030 2010-04-01 0.0214600000000000000 2010-05-01 0.0000000000000000000 2010-06-01 0.0010510000000000000 2010-07-01 0.0000000000000000000 2010-08-01 0.0000000000000000000 2010-09-01 0.0144340000000000000 2010-10-01 0.0031400000000000000 2010-11-01 0.0000000000000000000 2010-12-01 0.0013120000000000000 2011-01-01 0.0181440000000000000 2011-02-01 0.0000000000000000000 2011-03-01 0.0000000000000000000 2011-04-01 0.0030320000000000000 2011-05-01 0.2255799999999999500 2011-06-01 0.0381440000000000000 2011-07-01 0.0260079999999999960 2011-08-01 0.0001710000000000000 2011-09-01 0.0000000000000000000 2011-10-01 0.0000000000000000000 2011-11-01 0.0032100000000000006 2011-12-01 0.0000000000000000000 2012-01-01 0.0047080000000000000 2012-02-01 0.0000000000000000000 2012-03-01 0.0216000000000000000 2012-04-01 0.0287180000000000000 2012-05-01 0.0030000000000000000 2012-06-01 0.0408890000000000000 2012-07-01 0.0054250000000000000 2012-08-01 0.0104050000000000000 2012-09-01 0.0660260000000000000 2012-10-01 0.0071180000000000000 2012-11-01 0.0496830000000000000 2012-12-01 0.0212430000000000000 2013-01-01 0.0568420000000000000 2013-02-01 0.1522220000000000000 2013-03-01 0.0717820000000000000 2013-04-01 0.0281000000000000000 2013-05-01 0.0000000000000000000 2013-06-01 0.0123880000000000000 2013-07-01 0.0071950000000000000 2013-08-01 0.0218250000000000000 2013-09-01 0.0468110000000000000 2013-10-01 0.0382380000000000000 2013-11-01 0.0073840000000000000 2013-12-01 0.0394640000000000000 2014-01-01 0.0958870000000000000 2014-02-01 0.0136500000000000000 2014-03-01 0.0049760000000000000 2014-04-01 0.0025460000000000000 2014-05-01 0.0115980000000000000 2014-06-01 0.0848150000000000000 2014-07-01 0.0118110000000000000 2014-08-01 0.0109720000000000000 2014-09-01 0.1900330000000000000 2014-10-01 0.0116340000000000000 2014-11-01 0.1096880000000000000 2014-12-01 0.0388090000000000000 2015-01-01 0.0369650000000000000 2015-02-01 0.0338150000000000000 2015-03-01 0.4312410000000000000 2015-04-01 0.0930930000000000000 2015-05-01 0.5615840000000000000 2015-06-01 0.0069760000000000000 2015-07-01 0.1238450000000000000 2015-08-01 0.0001680000000000000 2015-09-01 0.4585790000000000000 2015-10-01 0.4769100000000000000 2015-11-01 0.0762940000000000000 2015-12-01 0.0835100000000000000 2016-01-01 0.0877500000000000000 2016-02-01 0.0511140000000000000 2016-03-01 0.2071040000000000000 2016-04-01 0.1892760000000000000 2016-05-01 0.1340100000000000000 2016-06-01 0.1082100000000000000 2016-07-01 0.2092340000000000000 2016-08-01 0.1334340000000000000 2016-09-01 0.3153700000000000000 2016-10-01 0.4578970000000000000 2016-11-01 0.0564730000000000000 2016-12-01 0.1471960000000000000 2017-01-01 0.1058020000000000000 2017-02-01 0.2133570000000000000 2017-03-01 0.1070900000000000000 2017-04-01 0.3444970000000000000 2017-05-01 0.1698270000000000000 2017-06-01 0.1439570000000000000 2017-07-01 0.3238310000000000000 2017-08-01 0.1894170000000000000 2017-09-01 0.2739690000000000000 2017-10-01 0.1820880000000000000 2017-11-01 0.4293420000000000000 2017-12-01 0.1958410000000000000 2018-01-01 0.2411980000000000000 2018-02-01 0.1761850000000000000 2018-03-01 0.2639500000000000000 2018-04-01 0.1676760000000000000 2018-05-01 0.1340140000000000000 2018-06-01 0.1991540000000000000 2018-07-01 0.2880160000000000000 2018-08-01 0.1973810000000000000 2018-09-01 0.0903590000000000000 2018-10-01 0.1616050000000000000