Year	% of population
2000	17.8
2001	25.6
2002	24.1
2003	27.7
2004	30.4
2005	33.5
2006	36.7
2007	36.6
2008	43.1
2009	46.3
2010	38
2011	52.7
2012	56
2013	59.2
2014	62.4
2015	67.3
2016	76.5
2017	79.5
2018	85.2
2019	90.6
2020	96
2021	100
2022	99.7