Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0.0770799964666367 2015 0 2016 0.116997383534908 2017 0.104573339223862 2018 0.110793769359589 2019 0.0965631604194641 2020 0.115411579608917 2021 0.1563810557127 2022 0.157704904675484