Year % 2008 97.509395860212 2009 97.6896367521367 2010 97.9781291794509 2011 98.8358598679916 2012 99.7221692588456 2013 100.932203389831 2014 103.097286565189 2015 101.76472627674 2016 102.251048010757 2017 101.812827225131 2018 117.349669794925 2019 115.250730906666 2020 112.368442929587 2021 111.177092401443 2022 116.587326952514