Year	% of population
2000	68.7559974594775
2001	69.2697762193741
2002	69.8031998185503
2003	70.3328947779321
2004	70.8543956281794
2005	71.3668935067394
2006	71.8708584899915
2007	72.3663035997042
2008	72.8532368503242
2009	73.3312416723324
2010	73.8007821200292
2011	74.2616684599327
2012	74.714140731746
2013	75.1549980628087
2014	75.5849870092693
2015	76.0042348196248
2016	76.4130457301581
2017	76.8117348936463
2018	77.200595461434
2019	77.335780426244
2020	77.317357139711
2021	77.2851304937535
2022	77.3411165329901