Year	% of population
1996	62
1997	56.2944946289063
1998	56.3222541809082
1999	56.3451690673828
2000	56
2001	56.1
2002	49.7
2003	56.4
2004	56.6
2005	56.8
2006	55.5
2007	57.2
2008	57.4
2009	57.6
2010	57.9
2011	58.1
2012	54.6
2013	58.6
2014	58.9
2015	59.1
2016	59.8
2017	60.2
2018	62.4
2019	64.7
2020	64.5
2021	65.4
2022	65