Year	% of population
2000	75.6282466212204
2001	75.8418392447866
2002	76.0554318683527
2003	76.2690244919189
2004	76.482617115485
2005	76.6962097390512
2006	76.9098023626173
2007	77.1233949861835
2008	77.3369876097496
2009	77.5505802333157
2010	77.7641728568818
2011	77.977765480448
2012	78.1913581040142
2013	78.4049507275803
2014	78.6185433511465
2015	78.8321359747126
2016	79.0457285982788
2017	79.2593212218448
2018	79.472913845411
2019	79.6865064689771
2020	79.9000990925433
2021	80.1136917161094
2022	80.3272843396756