Year	% of population
1992	60.0279006958008
1993	61.3840293884277
1994	64.1
1995	64.0915298461914
1996	71
1997	67.330431
1998	71.2
1999	70.929888
2000	70
2001	69.3
2002	64
2003	72.3
2004	75.9
2005	68.3
2006	76.2
2007	80.2
2008	84.7
2009	86.8
2010	88
2011	88.3
2012	90.4
2013	89.5
2014	90
2015	91.5
2016	91.8
2017	91.8
2018	92.8
2019	95.1
2020	97.2
2021	98.6
2022	99.9