Year 2015 = 100 2000 31.8759894162 2001 33.0499228489 2002 33.833679062 2003 38.0276283627 2004 47.1433390309 2005 50.1371626215 2006 58.3987527744 2007 63.7273562562 2008 70.7621686742 2009 54.920258526 2010 57.1960685061 2011 66.5212573707 2012 70.8181897055 2013 80.3017554117 2014 93.1281311691 2015 100 2016 116.2824092911 2017 123.9653604732 2018 145.9720535684 2019 143.1532464046 2020 90.343149562 2021 110.7050763801