Year Index 2002-01-01 47.9265 2003-01-01 32.6240 2004-01-01 20.6509 2005-01-01 17.7346 2006-01-01 15.3406 2007-01-01 13.2263 2008-01-01 24.2328 2009-01-01 37.2130 2010-01-01 26.1420 2011-01-01 16.2384 2012-01-01 14.9748 2013-01-01 14.1397 2014-01-01 14.3542 2015-01-01 14.3942 2016-01-01 10.4444 2017-01-01 11.1381