Year % (cumulative) 2014 9.12162971496582 2015 9.98015022277832 2016 10.4758796691895 2017 11.3665380477905 2018 12.3807802200317 2019 13.5245361328125 2020 14.0202903747559 2021 13.7141952514648 2022 15.4004220962524