Year	% of population
2000	61.3329226025355
2001	61.792799902744
2002	62.2420520844094
2003	62.6726093910832
2004	63.087911479412
2005	63.4927461634437
2006	63.8875426515304
2007	64.2727133800628
2008	64.6483401320503
2009	65.0136346879552
2010	65.3698828920577
2011	65.7163109070177
2012	66.0535930085137
2013	66.3848057892788
2014	66.7098797562999
2015	67.0292722902046
2016	67.3421315783412
2017	67.6489329553936
2018	67.9496248369032
2019	68.2436687072873
2020	68.5313077967676
2021	69.0780338236167
2022	69.6217278990742