Year 2015 = 100 2000 82.7630038183 2001 80.3643250105 2002 82.969946916 2003 81.0081561864 2004 84.5182771086 2005 86.5026231651 2006 87.8749769484 2007 89.7432470644 2008 86.12018807 2009 73.0999743898 2010 78.159164388 2011 82.2982458944 2012 85.3359466193 2013 87.6282609306 2014 93.7698395955 2015 100 2016 99.7895604137 2017 102.0114708034 2018 104.9056786461 2019 107.4749287274 2020 100.5718029723 2021 102.099438938