Year	% of population
1995	3
1996	3.33491563796997
1997	3.83021020889282
1998	4.32142543792725
1999	4.80779838562012
2000	6
2001	5.7
2002	6.1
2003	6.6
2004	7
2005	7.4
2006	7.8
2007	8.4
2008	7.5
2009	9.4
2010	9.8
2011	10.4
2012	11
2013	11.5
2014	12
2015	12.7
2016	13.4
2017	14.1
2018	14.6
2019	14.3
2020	15.4
2021	15.7
2022	15.7