Year % (cumulative) 2000 44.945499420166 2005 67.8362808227539 2006 71.5070877075195 2007 67.3175277709961 2008 73.2971725463867 2010 73.0854187011719 2011 75.0239715576172 2012 78.2138824462891 2013 80.3993530273438 2014 81.1589202880859 2015 81.970947265625 2016 82.1690902709961 2017 84.2054061889648 2018 85.5733337402344 2019 86.1979675292969 2020 88.0873184204102 2021 89.7946090698242 2022 90.3839645385742