Year	% of population
2000	66.0458564610715
2001	67.5478246092242
2002	69.0480514749255
2003	70.5465458824676
2004	72.0433055381976
2005	73.5383324002226
2006	75.0316195859977
2007	76.5141254695889
2008	77.9914043179559
2009	79.4696185290125
2010	80.948383811599
2011	82.4280494080897
2012	83.9040111031808
2013	85.3821176118691
2014	86.8621401007901
2015	88.344198149916
2016	89.8283389809817
2017	89.8269698994439
2018	89.8269190815113
2019	89.8282405087092
2020	89.8309319942197