Year	% of population
2000	68.5495180186544
2001	68.8641708171215
2002	69.1752616173546
2003	69.4828061807332
2004	69.7863824437527
2005	70.0860124543181
2006	70.3817298964061
2007	70.6354233345572
2008	70.8848352722594
2009	71.129988451761
2010	71.3704833631711
2011	71.6063729113685
2012	71.8381237323737
2013	72.065357493291
2014	72.2881015066443
2015	72.5068379340233
2016	72.7215997126754
2017	72.9320062470848
2018	73.1264378879352
2019	73.2719193638744
2020	73.413231097311
2021	73.7198955424508
2022	73.8560448264451