Year Index 2015=100 1997-01-01 45.7112649728582 1998-01-01 49.6367732898666 1999-01-01 53.0754936120790 2000-01-01 54.0022630637097 2001-01-01 53.7495077587195 2002-01-01 53.7100619933238 2003-01-01 54.9117787315212 2004-01-01 55.7844539818789 2005-01-01 57.2198378636147 2006-01-01 60.3528850739151 2007-01-01 64.4015259895088 2008-01-01 71.9647114926085 2009-01-01 78.7362899380067 2010-01-01 78.0543633762518 2011-01-01 77.8874582737244 2012-01-01 79.2608488316643 2013-01-01 92.3414401525990 2014-01-01 90.6723891273248 2015-01-01 100.0000000000000 2016-01-01 92.2889842632332 2017-01-01 91.3018597997139