Year	% of population
2007	51.9248923412048
2008	52.0145413785767
2009	52.1041918607501
2010	52.1942807825628
2011	52.2848106927153
2012	55.2884614760319
2013	58.2796397452012
2014	61.2591432167783
2015	64.2268812471246
2016	67.182763372952
2017	70.126436152709
2018	73.061686790313
2019	75.9873110440202
2020	78.901801545788
2021	81.8036795133813
2022	84.6913122344591