Year	% of population
2000	72.32925958077125
2001	72.34919750166078
2002	72.64279221360216
2003	72.99720630398637
2004	73.37873207106625
2005	73.85063161911607
2006	74.42954954093959
2007	75.06419771807842
2008	75.5686765322106
2009	75.94057616356777
2010	76.32328406482553
2011	76.56894269445527
2012	76.76734876406385
2013	76.96046120942276
2014	77.22371811752343
2015	77.56758956031395
2016	77.89440397681454
2017	78.20479367265841
2018	78.3634907546044
2019	78.49522266205695
2020	78.57864644056362
2021	78.54247636729704
2022	78.48211111664791