Year % (cumulative) 2007 0.173798814415932 2009 0.381268054246902 2010 0.561573445796967 2011 0.355487644672394 2012 0.215760797262192 2013 0.550461530685425 2018 0.84183394908905 2019 0.850010633468628 2020 0.730769693851471 2021 0.914120554924011