Year % (cumulative) 2007 0.72646689414978 2010 2.16567993164062 2013 1.29458343982697 2014 1.1539055109024 2015 1.41072154045105 2016 1.62213861942291 2017 1.00850319862366 2018 1.81744110584259 2019 2.34012126922607 2020 2.31101989746094 2021 2.0607705116272 2022 2.50045418739319