Year	% of population
2000	55.6
2001	57.3
2002	59
2003	60.7
2004	62.4
2005	69.7
2006	68.8
2007	67.7
2008	69.4
2009	64.2
2010	63.2
2011	74.9
2012	76.7
2013	78.8
2014	83.4
2015	90.6
2016	92.6
2017	85.7
2018	87.5
2019	89.3
2020	91
2021	92.8
2022	94.4