Year 2015 = 100 2000 76.8176684275 2001 67.6519823743 2002 64.4460966457 2003 74.6500003586 2004 92.4360447281 2005 135.4391639371 2006 109.3948852713 2007 78.5687467679 2008 70.7432169031 2009 55.7628730849 2010 49.6480185011 2011 52.9957726822 2012 59.9756865012 2013 78.1538515448 2014 115.3051299804 2015 100 2016 98.9527082379 2017 32.3865069495 2018 38.9641860881 2019 60.4118628917 2020 38.4722459393 2021 25.4241123754