Month Millions of Dollars 2009-01-01 6.297615999999999 2009-02-01 7.237813000000000 2009-03-01 7.134107000000002 2009-04-01 10.218477000000000 2009-05-01 8.131713000000000 2009-06-01 12.806489000000000 2009-07-01 18.249882000000000 2009-08-01 10.356509000000003 2009-09-01 7.503219000000000 2009-10-01 8.378546999999998 2009-11-01 8.107789000000002 2009-12-01 8.171860000000002 2010-01-01 8.674575000000000 2010-02-01 5.697364000000000 2010-03-01 6.710248000000000 2010-04-01 13.575619000000001 2010-05-01 11.106862000000000 2010-06-01 7.632898999999998 2010-07-01 7.277340000000000 2010-08-01 6.582003000000000 2010-09-01 6.241082999999999 2010-10-01 7.720595999999999 2010-11-01 11.042665000000000 2010-12-01 12.207959000000002 2011-01-01 6.067405000000000 2011-02-01 7.068201000000000 2011-03-01 9.957564000000000 2011-04-01 11.050776000000000 2011-05-01 11.738061000000000 2011-06-01 11.185225000000000 2011-07-01 8.610544000000000 2011-08-01 10.080745999999998 2011-09-01 10.823487999999998 2011-10-01 19.217701000000000 2011-11-01 8.446070000000000 2011-12-01 12.386490999999998 2012-01-01 10.478344000000000 2012-02-01 9.066277000000000 2012-03-01 11.593094000000000 2012-04-01 14.377920000000000 2012-05-01 15.031341000000000 2012-06-01 6.374852000000000 2012-07-01 7.495010000000000 2012-08-01 12.352406000000000 2012-09-01 12.029277000000000 2012-10-01 8.304177000000000 2012-11-01 8.327796000000000 2012-12-01 12.227639000000000 2013-01-01 17.529960000000000 2013-02-01 8.782320000000000 2013-03-01 9.758091000000000 2013-04-01 20.604261000000000 2013-05-01 12.950270000000000 2013-06-01 11.371021000000000 2013-07-01 8.946643000000000 2013-08-01 12.274727000000000 2013-09-01 9.738285000000000 2013-10-01 10.580338000000000 2013-11-01 11.108789000000000 2013-12-01 8.328735000000000 2014-01-01 7.930607000000000 2014-02-01 8.340671000000000 2014-03-01 8.240850000000000 2014-04-01 36.122900000000000 2014-05-01 10.671277000000000 2014-06-01 8.449507000000000 2014-07-01 10.816524000000000 2014-08-01 8.518969000000000 2014-09-01 7.464959000000000 2014-10-01 9.390066000000000 2014-11-01 9.987431000000000 2014-12-01 9.102143000000000 2015-01-01 6.181577000000000 2015-02-01 10.438139000000000 2015-03-01 10.302229000000000 2015-04-01 13.004721000000000 2015-05-01 12.833399000000000 2015-06-01 9.739275000000000 2015-07-01 7.539657000000000 2015-08-01 10.733857000000000 2015-09-01 6.272056000000000 2015-10-01 9.655037000000000 2015-11-01 7.732560000000000 2015-12-01 21.836913000000000 2016-01-01 5.823275000000000 2016-02-01 7.668396000000000 2016-03-01 14.840726000000000 2016-04-01 9.382491000000000 2016-05-01 9.322610000000000 2016-06-01 17.140753000000000 2016-07-01 10.223331000000000 2016-08-01 9.759897000000000 2016-09-01 21.193069000000000 2016-10-01 9.954952000000000 2016-11-01 9.895041000000000 2016-12-01 19.937558000000000 2017-01-01 9.165214000000000 2017-02-01 6.911627000000000 2017-03-01 10.714970000000000 2017-04-01 14.115133000000000 2017-05-01 8.929529000000000 2017-06-01 15.461733000000000 2017-07-01 7.048072000000000 2017-08-01 6.585980000000000 2017-09-01 9.115927000000000 2017-10-01 9.087768000000000 2017-11-01 12.866804000000000 2017-12-01 15.601795000000000 2018-01-01 5.796127000000000 2018-02-01 8.685448000000000 2018-03-01 12.124697000000000 2018-04-01 12.654803000000000 2018-05-01 24.060904000000000 2018-06-01 26.841323000000000 2018-07-01 10.606545000000000 2018-08-01 9.050938000000000 2018-09-01 11.380754000000000 2018-10-01 14.483055000000000