Year Index 2004-01-01 90.9552751425913 2005-01-01 93.5273712664663 2006-01-01 91.5785776018087 2007-01-01 90.5774072454670 2008-01-01 82.4807602131252 2009-01-01 87.7205132266970 2010-01-01 100.0000000000000 2011-01-01 100.5449666992430 2012-01-01 94.6690078514869 2013-01-01 84.7167069986644 2014-01-01 79.1826929969633 2015-01-01 73.7781716921387 2016-01-01 68.7956180206107 2017-01-01 76.6410268671639