Year % (cumulative) 2008 0.471644669771194 2009 0.712568819522858 2010 0.811376690864563 2011 0.806257486343384 2012 0.878330171108246 2013 0.983469724655151 2014 1.04651725292206 2015 1.12936794757843 2016 1.14222490787506 2017 1.12385630607605 2018 1.19743919372559 2019 1.14244079589844 2020 1.0344557762146 2021 1.0322949886322 2022 1.10281705856323