Year 2015 = 100 1995 37.2986624599 1996 42.3467317754 1997 37.9325919312 1998 32.2102328493 1999 30.1968618929 2000 28.8606939304 2001 29.617767769 2002 25.5817399916 2003 28.0094258749 2004 28.7554537476 2005 44.4520816767 2006 40.4555037781 2007 42.3025175386 2008 49.5570498792 2009 38.1555141823 2010 42.5500653788 2011 55.1692117897 2012 52.7906060965 2013 61.2761038598 2014 95.9985312239 2015 100 2016 89.9632115678 2017 99.7639542719 2018 153.2998286825 2019 104.7875373666 2020 92.9550910471 2021 114.9070261172