Year	% of population
2000	61.4
2001	65.5
2002	69.4
2003	73
2004	75.95
2005	78.9
2006	81.15
2007	83
2008	85.1
2009	86.5
2010	87.9
2011	89.1
2012	90.2
2013	91.3
2014	92
2015	92.7
2016	93.4
2017	93.65
2018	94.2
2019	94.4
2020	94.7
2021	95
2022	94.7