Year % (cumulative) 2003 18.5554790496826 2011 21.4605197906494 2014 22.3100051879883 2015 22.1834373474121 2016 23.7035884857178 2017 22.2703094482422 2018 21.4847393035889 2019 23.3288440704346 2020 22.666036605835 2021 64.9541015625