Month Millions of Dollars 2009-01-01 3.302391000000001 2009-02-01 5.021048000000000 2009-03-01 4.349499000000000 2009-04-01 4.540095999999999 2009-05-01 4.010551000000000 2009-06-01 5.430329000000000 2009-07-01 8.199556000000000 2009-08-01 9.847474000000000 2009-09-01 3.331078000000000 2009-10-01 3.084740000000000 2009-11-01 4.425503000000000 2009-12-01 6.416335000000000 2010-01-01 50.417338000000000 2010-02-01 6.574223000000000 2010-03-01 10.341628000000000 2010-04-01 19.978162000000000 2010-05-01 11.004894999999998 2010-06-01 11.461016000000000 2010-07-01 8.472050000000000 2010-08-01 13.874991000000000 2010-09-01 6.766251000000001 2010-10-01 12.415297000000000 2010-11-01 7.422468000000000 2010-12-01 5.547383000000000 2011-01-01 4.551243000000000 2011-02-01 5.878205999999999 2011-03-01 8.126706000000000 2011-04-01 41.734398000000000 2011-05-01 8.685867000000000 2011-06-01 11.464897000000000 2011-07-01 8.692011000000000 2011-08-01 6.647507000000002 2011-09-01 8.905473000000000 2011-10-01 8.067122000000000 2011-11-01 9.284624000000000 2011-12-01 11.670687000000000 2012-01-01 11.028666000000000 2012-02-01 8.919627000000000 2012-03-01 9.005862000000000 2012-04-01 12.759605000000000 2012-05-01 14.366933000000000 2012-06-01 13.003697000000000 2012-07-01 14.623192000000000 2012-08-01 14.361337000000000 2012-09-01 7.055500000000000 2012-10-01 13.123589000000000 2012-11-01 11.487488000000000 2012-12-01 15.812490000000000 2013-01-01 9.818736000000000 2013-02-01 12.325744000000000 2013-03-01 13.406139000000000 2013-04-01 12.491037000000000 2013-05-01 16.090860000000000 2013-06-01 40.366413000000000 2013-07-01 52.077030000000000 2013-08-01 84.523292000000000 2013-09-01 72.313295000000000 2013-10-01 65.837547000000000 2013-11-01 85.090048000000000 2013-12-01 60.081066000000000 2014-01-01 21.797913000000000 2014-02-01 30.668779000000000 2014-03-01 20.269329000000000 2014-04-01 22.379016000000000 2014-05-01 21.532927000000000 2014-06-01 28.352022000000000 2014-07-01 23.651283000000000 2014-08-01 25.973880000000000 2014-09-01 23.466446000000000 2014-10-01 23.981089000000000 2014-11-01 16.155554000000000 2014-12-01 21.807233000000000 2015-01-01 43.512271000000000 2015-02-01 19.121100000000000 2015-03-01 25.790282000000000 2015-04-01 18.478021000000000 2015-05-01 20.000461000000000 2015-06-01 21.194668000000000 2015-07-01 24.526546000000000 2015-08-01 22.005304000000000 2015-09-01 15.934289000000000 2015-10-01 19.450051000000000 2015-11-01 20.259531000000000 2015-12-01 22.350057000000000 2016-01-01 19.033286000000000 2016-02-01 20.502797000000000 2016-03-01 26.432656000000000 2016-04-01 21.780163000000000 2016-05-01 24.348174000000000 2016-06-01 29.806612000000000 2016-07-01 34.151630000000000 2016-08-01 25.394710000000000 2016-09-01 30.682271000000000 2016-10-01 24.669850000000000 2016-11-01 28.162441000000000 2016-12-01 24.564576000000000 2017-01-01 25.034978000000000 2017-02-01 21.681400000000000 2017-03-01 27.816927000000000 2017-04-01 21.337809000000000 2017-05-01 25.898168000000000 2017-06-01 33.505643000000000 2017-07-01 21.060314000000000 2017-08-01 17.422522000000000 2017-09-01 18.057266000000000 2017-10-01 24.867915000000000 2017-11-01 25.612146000000000 2017-12-01 30.225299000000000 2018-01-01 26.140132000000000 2018-02-01 28.211253000000000 2018-03-01 20.177194000000000 2018-04-01 26.558812000000000 2018-05-01 20.808698000000000 2018-06-01 31.248757000000000 2018-07-01 25.834903000000000 2018-08-01 31.589968000000000 2018-09-01 30.596655000000000 2018-10-01 28.127854000000000