Year % of population 2008 60.4408061327722 2009 60.562400970377 2010 60.685689059795 2011 60.8106712079698 2012 60.9373458791753 2013 63.2701806850017 2014 65.5839564001967 2015 67.8779265891048 2016 70.1516776822719 2017 72.4045950105575 2018 74.6373897123768 2019 76.8491003218309 2020 79.0390980136457 2021 81.2064667541407 2022 83.3505318947043