Year 2015 = 100 2000 45.3631263625 2001 44.7093836645 2002 42.8195505899 2003 48.1318135651 2004 47.2521359014 2005 47.964361436 2006 47.000663369 2007 52.8751103899 2008 49.9533093444 2009 67.9271018787 2010 72.772840165 2011 69.5191771394 2012 73.6446251438 2013 84.054630775 2014 99.8001514766 2015 100 2016 139.2396051579 2017 152.0427370768 2018 175.6894863716 2019 175.3259817509 2020 140.5143034744 2021 187.1574253417