Year % (cumulative) 2014 0.712890028953552 2015 0.764140009880066 2016 0.804830014705658 2017 0.836380004882812 2018 0.832355260848999 2019 0.846279978752136 2020 0.890448331832886 2021 0.931437194347382 2022 0.912756323814392