Quarter Index 2015=100, Seasonally Adjusted 2011-04-01 87.5714210967788 2011-07-01 86.5035826981339 2011-10-01 93.1384134909425 2012-01-01 92.0634342685756 2012-04-01 91.7117557637045 2012-07-01 110.2589834194830 2012-10-01 89.1164849519901 2013-01-01 92.6401733320997 2013-04-01 94.7616591754577 2013-07-01 108.5482941910360 2013-10-01 103.7380821952850 2014-01-01 106.5808943456450 2014-04-01 106.8606783841290 2014-07-01 105.0665439689580 2014-10-01 107.2461766705870 2015-01-01 101.8081603712610 2015-04-01 99.5799070319744 2015-07-01 100.1396931789120 2015-10-01 97.9390048355661 2016-01-01 99.7770088521220 2016-04-01 102.7311972604920 2016-07-01 102.5353640267370 2016-10-01 104.6611686542520 2017-01-01 107.1884484402960 2017-04-01 108.3481470664190 2017-07-01 109.4007216397290 2017-10-01 111.1991483784030 2018-01-01 111.4355611773560 2018-04-01 121.8516517512070