Quarter Percent, Not Seasonally adjusted 2011-01-01 3.21894583843732 2011-04-01 4.03652974284376 2011-07-01 4.10503086733921 2011-10-01 4.12174688554914 2012-01-01 3.54166796856494 2012-04-01 3.62432263740292 2012-07-01 3.81782913011726 2012-10-01 3.15553422668048 2013-01-01 3.67879390520916 2013-04-01 4.01988189452161 2013-07-01 4.52846697078964 2013-10-01 5.06506344606619 2014-01-01 6.08688139927689 2014-04-01 7.41011080866010 2014-07-01 7.25515062734133 2014-10-01 11.41114599267830 2015-01-01 20.72616485604630 2015-04-01 17.65938825445550 2015-07-01 21.34188931283190 2015-10-01 18.62259328912120 2016-01-01 11.93746226313730 2016-04-01 12.34876634057680 2016-07-01 7.76165914700907 2016-10-01 5.52498958375887 2017-01-01 1.57050310357120 2017-04-01 1.55983077759198 2017-07-01 1.89670355743955 2017-10-01 2.29860829656376 2018-01-01 2.95432596472097 2018-04-01 4.02227096858780 2018-07-01 4.24365412105269