Year % (cumulative) 2006 0.661948263645172 2007 0.55674135684967 2008 0.614524602890015 2009 0.611669540405273 2010 0.597920954227448 2011 0.48456221818924 2012 0.468291640281677 2013 27.2189903259277 2014 28.0117092132568 2015 28.8690700531006 2016 29.4067401885986 2017 30.2854919433594 2018 31.0932102203369 2019 32.7396507263184 2020 34.7736282348633 2021 35.5119667053223 2022 36.6276969909668