Year % (cumulative) 1978 10.2127504348755 2012 36.0946998596191 2014 38.1603507995605 2015 40.4079208374023 2017 85.1861114501953 2018 40.8531913757324 2019 86.9402770996094 2020 46.9455413818359 2021 87.407356262207 2022 47.6634712219238