Year Index 2004-01-01 89.6574147950675 2005-01-01 92.0541792385135 2006-01-01 80.4712848232032 2007-01-01 76.3094705853099 2008-01-01 77.9517058131168 2009-01-01 94.5355765396072 2010-01-01 100.0000000000000 2011-01-01 100.2073104971120 2012-01-01 85.5780180410228 2013-01-01 83.3191381808353 2014-01-01 85.3491794487938 2015-01-01 87.4046977633664 2016-01-01 87.2329272782297 2017-01-01 77.5632187529342 2018-01-01 74.3474015951183 2019-01-01 73.3656458409330