Year 2015 = 100 2000 82.7845389645 2001 74.1888575211 2002 74.7769168728 2003 72.548839726 2004 69.5910709265 2005 63.4589070095 2006 66.2062014913 2007 79.331067919 2008 84.0424237085 2009 80.2874114948 2010 85.115984703 2011 93.6004569481 2012 86.8786764857 2013 89.3702122074 2014 94.7345881611 2015 100 2016 110.7711284851 2017 112.9641379439 2018 109.1076206101 2019 104.8291672038 2020 107.6920421641 2021 114.3331975223