Year % (cumulative) 2014 0.364722579717636 2015 0.333711266517639 2016 0.428460001945496 2017 0.439909994602203 2018 0.534508049488068 2019 0.530774891376495 2020 0.553694784641266 2021 0 2022 0.589690029621124