Year % (cumulative) 2005 42.3596382141113 2006 40.8829307556152 2007 41.7338218688965 2008 44.846321105957 2009 44.5499610900879 2010 50.8264694213867 2011 51.6041297912598 2012 53.4588203430176 2013 54.5055999755859 2014 55.6946601867676 2015 56.5035705566406 2016 57.4436187744141 2017 58.4922294616699 2018 60.3703689575195 2019 61.2815399169922 2020 61.8232498168945 2021 61.8457717895508 2022 63.1085891723633