Year	% of population
1996	6.2
1997	4.28854084014893
1998	6.06686353683472
1999	7.84034395217896
2000	9.6
2001	10.8
2002	13
2003	14.7
2004	16.4
2005	18.2
2006	16.6
2007	21.7
2008	23.4
2009	24
2010	27
2011	28.8
2012	25.6
2013	32.4
2014	34.2
2015	37.6
2016	38.8
2017	34.8
2018	50.9
2019	47.9
2020	50.6
2021	53.4
2022	53