Year % (cumulative) 2009 22.3017807006836 2010 23.2614307403564 2011 23.5350303649902 2012 24.5435695648193 2014 28.2728404998779 2015 30.0173492431641 2016 29.8127193450928 2017 31.0155277252197 2018 32.847110748291 2019 33.9798698425293 2020 35.2395324707031 2021 35.349308013916 2022 35.217960357666