Year % (cumulative) 2006 0.492124795913696 2007 0.464080154895782 2008 0.486663401126862 2009 0.494500935077667 2010 0.664996564388275 2011 0.603853642940521 2012 0.630807101726532 2013 20.1865901947021 2014 21.1897106170654 2015 21.4769916534424 2016 21.8629894256592 2017 22.70046043396 2018 23.1778945922852 2019 23.9672603607178 2020 24.4970397949219 2021 24.4346084594727 2022 24.7140331268311