Year Index 2015=100 2005-01-01 46.5603538586893 2006-01-01 54.6890156365188 2007-01-01 55.6784231560160 2008-01-01 72.9600744965662 2009-01-01 81.2245373064836 2010-01-01 90.7771699064913 2011-01-01 99.1037131882202 2012-01-01 100.1474411205530 2013-01-01 95.7785279168122 2014-01-01 95.1422030807434 2015-01-01 100.0000000000000 2016-01-01 91.9101385170527 2017-01-01 87.7080665813060