Year	% of population
2000	64.1165938183258
2001	64.0628318375825
2002	64.1471656879787
2003	64.3996928016804
2004	64.6512521141568
2005	64.9018435294351
2006	65.1519552300484
2007	65.4015856957258
2008	65.6502485922899
2009	65.8979507190938
2010	66.1451750818776
2011	66.391436517877
2012	66.6372193854258
2013	66.8815675062965
2014	67.1254394623702
2015	67.3683552883333
2016	67.6146181714504
2017	67.8627983217874
2018	68.1138148874751
2019	68.3671963594245
2020	68.6233933284084
2021	68.8814594095093
2022	69.1418510304816