Year	% of population
1992	9.2
1993	10.1056232452393
1994	10.5616483688354
1995	11.0156345367432
1996	11.4669008255005
1997	10.9
1998	12.3585548400879
1999	12.7975006103516
2000	12.6
2001	14.8
2002	14
2003	20.3
2004	15.3
2005	16
2006	16.8
2007	17.5
2008	18.3
2009	17.4
2010	12.3
2011	14.3
2012	18.7
2013	12.9
2014	23
2015	23.8
2016	22.9
2017	24.1
2018	36.5
2019	31
2020	32
2021	35.1
2022	36.1