Year	% of population
2000	7.8
2001	9.1
2002	10.9
2003	13
2004	15.8
2005	18.85
2006	22.9
2007	27.3
2008	33.3
2009	39.2
2010	45.1
2011	50.5
2012	55.8
2013	60.4
2014	63.8
2015	66.3
2016	69.1
2017	70.4
2018	72
2019	73.1
2020	73.8
2021	74.9
2022	75.2