Year	% of population
2000	13.6
2001	16.5
2002	19.3
2003	22.6
2004	25.9
2005	29.35
2006	33.1
2007	36.8
2008	41
2009	45.1
2010	49.8
2011	55.2
2012	60.4
2013	66.3
2014	72.1
2015	78
2016	83.6
2017	88
2018	91.7
2019	94.2
2020	96
2021	97.1
2022	98.1