Year % (cumulative) 2014 16.1981296539307 2015 16.0427799224854 2016 16.6322002410889 2017 17.6289501190186 2018 17.9566593170166 2019 18.7035808563232 2020 20.6021327972412 2021 23.1259365081787 2022 22.2955379486084