Year 2015 = 100 2000 508.8118309822 2001 437.6013742763 2002 371.2688501395 2003 286.8600171977 2004 307.1251449487 2005 251.8690632487 2006 233.9319505542 2007 373.0264108118 2008 362.920347739 2009 206.8466157555 2010 159.6819254934 2011 124.2158465166 2012 132.6672991554 2013 132.8922958997 2014 120.3600241595 2015 100 2016 102.896363774 2017 94.5392632167 2018 93.0209121332 2019 90.5446552076 2020 102.4738192081 2021 109.1774455082