Year % (cumulative) 2009 0 2010 0 2011 30.4032669067383 2012 27.5475101470947 2013 29.22265625 2014 27.3901500701904 2015 29.8216953277588 2016 27.4896106719971 2017 26.1569690704346 2018 25.5341205596924 2019 24.8745403289795 2020 24.4148750305176 2022 25.1905193328857