Year 2015 = 100 2000 25.8793261189 2001 28.1177083551 2002 29.6858251543 2003 32.7307179559 2004 38.7825159431 2005 48.2632132565 2006 54.0650111047 2007 60.251253511 2008 65.7318082304 2009 58.6750762593 2010 70.062631186 2011 85.2924854174 2012 96.1376232812 2013 95.1983830868 2014 97.8546270785 2015 100 2016 102.7794663844 2017 111.3751936407 2018 114.978258192 2019 117.6381215885 2020 121.8846830111 2021 131.539821035