Year 2015 = 100 2000 89.0883022441 2001 90.2163961454 2002 92.3656773617 2003 89.8674929457 2004 76.2867995981 2005 77.6453280013 2006 80.4030575733 2007 76.7374226186 2008 81.2161077185 2009 74.0087869164 2010 71.9789632246 2011 72.4852231015 2012 75.3154604399 2013 83.185634033 2014 86.7828180708 2015 100 2016 100.1895299286 2017 92.6015429182 2018 90.2921604012 2019 94.299507517 2020 77.8146472508 2021 91.6294461976