Year % (cumulative) 2006 0.440314888954163 2007 0.46762815117836 2008 0.501264750957489 2009 0.550190925598145 2010 0.541976690292358 2011 0.498997062444687 2012 0.498984664678574 2013 30.2483501434326 2014 31.2590198516846 2015 31.7094802856445 2016 32.1669616699219 2017 34.68994140625 2018 35.2702827453613 2019 35.3040084838867 2020 36.6534843444824 2021 38.5315399169922 2022 39.385196685791