Year	% of population
2000	67.3
2001	71.7
2002	72.8
2003	76.3
2004	74.8
2005	86.2
2006	77
2007	78.1
2008	79.2
2009	80.3
2010	78.5
2011	72.1
2012	83.7
2013	81.2
2014	86
2015	88
2016	90.8
2017	93.6
2018	98.1
2019	98.9
2020	99.5
2021	100
2022	100