Year	% of population
1995	22.9
1996	24.7554473876953
1997	25.8746109008789
1998	26.9896945953369
1999	28.0999355316162
2000	29.3
2001	30.3
2002	32.2
2003	32.4
2004	33.4
2005	34.5
2006	35.6
2007	36.7
2008	37.8
2009	38.9
2010	40.1
2011	41.2
2012	42.3
2013	43.5
2014	44.6
2015	45.8
2016	46.9
2017	48
2018	49.1
2019	50.3
2020	51.4
2021	52.5
2022	55.4