Year % (cumulative) 2003 14.9438800811768 2008 21.2117004394531 2010 17.9620494842529 2015 18.9692993164062 2017 25.6992168426514 2018 25.6992053985596 2019 25.6991958618164 2021 14.9766836166382 2022 14.8594646453857