Year % (cumulative) 2014 29.137752532959 2015 29.775821685791 2016 30.4089946746826 2017 31.720100402832 2018 33.57568359375 2019 33.4643707275391 2020 30.8465099334717 2021 31.7315711975098 2022 32.6602210998535