Year % (cumulative) 2014 0.325910001993179 2015 0.331209987401962 2016 0.342469990253448 2017 0.326402604579926 2018 0.344143807888031 2019 0.42869308590889 2020 0.454420000314713 2021 0.517911672592163 2022 0.610108077526093