Year 2015 = 100 2000 116.954994321 2001 106.5814117871 2002 101.5321808442 2003 96.2382482999 2004 92.8366520665 2005 87.6088892779 2006 87.717812926 2007 84.7160398081 2008 81.921452252 2009 85.3508714822 2010 85.4624705927 2011 85.1017480463 2012 86.0986734354 2013 88.5617086581 2014 92.9050104127 2015 100 2016 107.8195358235 2017 106.99509428 2018 103.7352625751 2019 105.2839020162 2020 103.9230270117 2021 99.2404280236