Year 2015 = 100 1995 28.2983287531 1996 32.1288195336 1997 33.5190854319 1998 29.7803981276 1999 29.8798208171 2000 34.0309044737 2001 33.7733432373 2002 34.6503515019 2003 37.4976979157 2004 46.1225935952 2005 56.5298258395 2006 65.7689086627 2007 75.3174080922 2008 99.7725731329 2009 82.2294128828 2010 113.2940249684 2011 144.7825560154 2012 136.759475544 2013 134.791268645 2014 127.8614250585 2015 100 2016 102.5686766274 2017 123.1492410264 2018 136.9846013094 2019 144.394666117 2020 133.6415269825 2021 183.7291275501