Year % (cumulative) 2009 0 2010 0 2011 33.2170372009277 2012 30.5717601776123 2013 32.7155075073242 2014 30.803560256958 2015 34.0335998535156 2016 32.466968536377 2017 33.587028503418 2018 34.4663887023926 2019 32.3519592285156 2020 31.8086166381836 2022 32.8196411132812