Year % (cumulative) 2007 48.1460113525391 2008 55.11962890625 2009 56.0363502502441 2010 56.2577590942383 2011 60.6994590759277 2012 43.5891532897949 2013 60.3723297119141 2014 62.4211196899414 2015 65.2000732421875 2016 65.8340072631836 2017 66.2329330444336 2018 66.7297821044922 2019 68.6044311523438 2020 68.8121185302734 2021 69.6965408325195 2022 70.5602264404297