Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 10.7971696853638 2013 11.2601404190063 2014 11.6335401535034 2015 11.9339199066162 2016 13.0626001358032 2017 12.7328100204468 2018 14.3877391815186 2019 13.6987104415894 2020 16.5649547576904 2021 15.626368522644 2022 15.6203899383545