Year	% of population
2000	80.4744443822639
2001	80.4527398776307
2002	80.4310344832757
2003	80.4093282272604
2004	80.3875196455882
2005	80.3709175851592
2006	80.3575054814681
2007	80.3472736536351
2008	80.34018652587
2009	80.3363198285262
2010	80.3355569904835
2011	80.3379701106619
2012	80.3434303448446
2013	80.3520105759413
2014	80.3636938911957
2015	80.3782453257937
2016	80.3958472003969
2017	80.4163694528072
2018	80.3237909019868
2019	80.3507339051838
2020	80.3805030592556
2021	80.4131821507929
2022	80.4470258702833