Month Percent, Seasonally Adjusted 2011-08-01 13.8 2011-09-01 10.4 2011-10-01 8.6 2011-11-01 17.8 2011-12-01 13.6 2012-01-01 11.6 2012-02-01 14.0 2012-03-01 15.2 2012-04-01 13.8 2012-05-01 9.4 2012-06-01 3.2 2012-07-01 5.0 2012-08-01 3.4 2012-09-01 4.0 2012-10-01 6.8 2012-11-01 13.6 2012-12-01 9.4 2013-01-01 14.6 2013-02-01 11.6 2013-03-01 10.0 2013-04-01 8.6 2013-05-01 8.2 2013-06-01 10.6 2013-07-01 9.6 2013-08-01 7.0 2013-09-01 3.2 2013-10-01 6.0 2013-11-01 10.2 2013-12-01 7.8 2014-01-01 3.2 2014-02-01 5.2 2014-03-01 0.0 2014-04-01 -3.6 2014-05-01 -4.2 2014-06-01 -15.8 2014-07-01 -13.2 2014-08-01 -21.8 2014-09-01 -27.2 2014-10-01 -24.8 2014-11-01 -22.6 2014-12-01 -22.0 2015-01-01 -14.4 2015-02-01 -25.4 2015-03-01 -23.8 2015-04-01 -17.6 2015-05-01 -19.0 2015-06-01 -19.8 2015-07-01 -18.2 2015-08-01 -28.6 2015-09-01 -31.6 2015-10-01 -23.8 2015-11-01 -19.4 2015-12-01 -18.4 2016-01-01 -14.8 2016-02-01 -15.8 2016-03-01 -12.4 2016-04-01 -20.6 2016-05-01 -18.6 2016-06-01 -17.0 2016-07-01 -20.6 2016-08-01 -21.6 2016-09-01 -19.0 2016-10-01 -17.6 2016-11-01 -18.2 2016-12-01 -18.8 2017-01-01 -18.2 2017-02-01 -18.0 2017-03-01 -25.4 2017-04-01 -22.2 2017-05-01 -20.4 2017-06-01 -20.0 2017-07-01 -27.4 2017-08-01 -14.2 2017-09-01 -23.4 2017-10-01 -18.4 2017-11-01 -20.0 2017-12-01 -12.4 2018-01-01 -10.0 2018-02-01 -2.6 2018-03-01 -0.8 2018-04-01 2.8 2018-05-01 0.0 2018-06-01 1.8 2018-07-01 1.8 2018-08-01 -5.2 2018-09-01 -2.8 2018-10-01 -1.8