Year % of population 2011 41.595226032552674 2012 42.961352302834136 2013 44.332123384366376 2014 45.38539833874446 2015 46.17123738828108 2016 47.38346083694561 2017 48.63830490157621 2018 51.71425355027332 2019 52.84002514068973 2020 54.0219202255829 2021 55.28435116202642 2022 56.4282625261524