Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0.267839998006821 2014 0.274789988994598 2015 0.28345000743866 2016 0.285829991102219 2017 0.338899999856949 2018 0.284177213907242 2019 0.34264001250267 2020 0.305361151695251 2021 1.98662805557251 2022 2.27675294876099