Year 2015 = 100 1995 37.8053847088 1996 38.0661523038 1997 39.147780029 1998 41.9170422257 1999 43.2944270738 2000 44.224456881 2001 46.3247987073 2002 51.5117098607 2003 63.6071427325 2004 77.5072668975 2005 81.963929844 2006 89.5389381857 2007 107.1316744804 2008 118.7003033221 2009 89.6942472697 2010 99.889514747 2011 116.1720231408 2012 109.0898206587 2013 114.6786194854 2014 116.6929971933 2015 100 2016 99.5819582824 2017 110.0164948423 2018 121.0089774989 2019 116.9853868362 2020 110.9273693523 2021 132.788818455