Year	% (cumulative)
2014	17.084285736084
2015	16.8531246185303
2016	17.8223705291748
2017	17.3647499084473
2018	18.2583179473877
2019	17.9066925048828
2020	19.1146507263184
2021	17.4871501922607
2022	17.6555614471436