Year 2015 = 100 1995 48.7697028778 1996 51.9328825825 1997 52.3041671987 1998 54.4895630646 1999 53.1926277684 2000 56.8557013801 2001 54.0111361591 2002 56.6242721182 2003 70.3512997973 2004 85.128160037 2005 97.2461520304 2006 114.8027577273 2007 135.2041843254 2008 151.8807260219 2009 100.7604954938 2010 113.855937856 2011 139.4414389349 2012 126.5396769408 2013 128.3951210233 2014 127.0316964014 2015 100 2016 100.6800787898 2017 116.8071575501 2018 130.1079171075 2019 121.985258373 2020 112.9702309841 2021 142.271574918