Year 2015 = 100 2000 56.5712694093 2001 53.3645429955 2002 70.5744589122 2003 74.3430429539 2004 72.8663434217 2005 59.8715966485 2006 68.2514590165 2007 57.0493708007 2008 83.2668717938 2009 62.3957560582 2010 53.4389213957 2011 72.8891519958 2012 73.7836550974 2013 96.2774037615 2014 99.5644194415 2015 100 2016 94.1698100054 2017 93.3445526833 2018 99.6295044607 2019 107.1206852501 2020 95.1062681141 2021 87.1776710285