Year	% of population
2000	37.4802636643129
2001	37.6474807521141
2002	38.8065881383637
2003	39.9375083397471
2004	41.0391334309459
2005	42.1056297484518
2006	43.1067939219225
2007	44.0868804895203
2008	45.045447656219
2009	45.6419563752399
2010	46.1506096368941
2011	46.6271614243404
2012	47.0713767309376
2013	47.4836373591836
2014	47.8644208360487
2015	48.2141998210696
2016	48.5335415142269
2017	48.8231001352091
2018	49.0834605543598
2019	49.5105815047523
2020	50.0739474776296
2021	50.6232539152606
2022	50.5082432056288