Year % (cumulative) 1978 2.73596000671387 2012 26.8013896942139 2014 28.1952590942383 2015 31.4164905548096 2017 76.1852798461914 2018 31.8317699432373 2019 77.1016693115234 2020 38.7198905944824 2021 78.367919921875 2022 40.5303993225098