Year % (cumulative) 2010 0.0795398950576782 2011 0.0917711853981018 2012 0.099540002644062 2013 0.0792151615023613 2014 0.0732000023126602 2015 0.0939000025391579 2018 0.170410007238388 2019 0.117020003497601