Year % (cumulative) 2006 0.388279855251312 2007 0.386960387229919 2008 0.378897547721863 2009 0.410139679908752 2010 0.527205169200897 2011 0.510186910629272 2012 0.519515454769135 2013 22.6315097808838 2014 23.7001991271973 2015 24.2688179016113 2016 24.9462203979492 2017 25.8786201477051 2018 26.4762535095215 2019 27.2586536407471 2020 28.0126800537109 2021 28.2374706268311 2022 28.645357131958