Month Percent, Seasonally Adjusted 2010-07-01 33.7 2010-08-01 35.4 2010-09-01 29.4 2010-10-01 30.5 2010-11-01 26.5 2010-12-01 26.7 2011-01-01 22.2 2011-02-01 21.4 2011-03-01 13.0 2011-04-01 21.6 2011-05-01 21.5 2011-06-01 23.1 2011-07-01 23.5 2011-08-01 18.5 2011-09-01 12.9 2011-10-01 11.0 2011-11-01 13.5 2011-12-01 13.1 2012-01-01 7.4 2012-02-01 10.7 2012-03-01 5.7 2012-04-01 8.1 2012-05-01 11.0 2012-06-01 8.9 2012-07-01 9.6 2012-08-01 9.4 2012-09-01 8.6 2012-10-01 14.9 2012-11-01 10.5 2012-12-01 14.7 2013-01-01 4.4 2013-02-01 -2.3 2013-03-01 1.7 2013-04-01 1.1 2013-05-01 1.8 2013-06-01 1.1 2013-07-01 1.5 2013-08-01 -5.7 2013-09-01 5.9 2013-10-01 1.7 2013-11-01 5.7 2013-12-01 3.7 2014-01-01 -2.9 2014-02-01 -2.4 2014-03-01 -0.9 2014-04-01 -7.5 2014-05-01 -3.2 2014-06-01 -2.9 2014-07-01 -8.5 2014-08-01 -4.3 2014-09-01 -10.4 2014-10-01 -11.4 2014-11-01 -15.5 2014-12-01 -14.3 2015-01-01 -26.9 2015-02-01 -34.5 2015-03-01 -42.7 2015-04-01 -41.9 2015-05-01 -38.4 2015-06-01 -42.4 2015-07-01 -40.8 2015-08-01 -40.9 2015-09-01 -49.8 2015-10-01 -51.3 2015-11-01 -49.7 2015-12-01 -51.0 2016-01-01 -51.9 2016-02-01 -53.9 2016-03-01 -54.3 2016-04-01 -53.4 2016-05-01 -56.8 2016-06-01 -49.9 2016-07-01 -45.8 2016-08-01 -39.4 2016-09-01 -36.1 2016-10-01 -38.1 2016-11-01 -37.2 2016-12-01 -44.8 2017-01-01 -38.4 2017-02-01 -37.3 2017-03-01 -37.0 2017-04-01 -30.8 2017-05-01 -32.3 2017-06-01 -28.5 2017-07-01 -30.0 2017-08-01 -29.8 2017-09-01 -20.5 2017-10-01 -21.0 2017-11-01 -23.6 2017-12-01 -22.2 2018-01-01 -20.4 2018-02-01 -17.7 2018-03-01 -20.1 2018-04-01 -15.5 2018-05-01 -14.9 2018-06-01 -17.6 2018-07-01 -15.2 2018-08-01 -13.2 2018-09-01 -11.8 2018-10-01 -100.0