Year % (cumulative) 2012 0.0597545467317104 2014 0.0547700002789497 2015 0.0870399996638298 2016 0.0532681867480278 2017 0.0367678925395012 2019 0.0478126294910908 2020 0.0692575722932816 2021 0.0260693747550249