Year % (cumulative) 2014 27.3136539459229 2015 28.8687725067139 2016 29.778148651123 2017 31.0155277252197 2018 32.8688926696777 2019 33.8886108398438 2020 35.2395324707031 2021 35.349308013916 2022 35.217960357666