Year Index 2004-01-01 53.9935277405899 2005-01-01 51.0480884363747 2006-01-01 58.9532437908633 2007-01-01 65.6781774737952 2008-01-01 74.7989496534735 2009-01-01 83.0785081242287 2010-01-01 100.0000000000000 2011-01-01 118.6817745933180 2012-01-01 116.7474493172750 2013-01-01 107.7629259299830 2014-01-01 100.0191933053760 2015-01-01 85.7453162023490 2016-01-01 87.4655771155286 2017-01-01 82.9588801812778 2018-01-01 82.1072091755650 2019-01-01 82.2356729247701