Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0.452219992876053 2015 0.486809998750687 2016 0.495050013065338 2017 0.5658900141716 2018 0.588530004024506 2019 0.719460010528564 2020 0.762510001659393 2021 0.772008419036865 2022 0.73714292049408