Year	% of population
2000	92.5
2001	93.7
2002	94.8
2003	95.5
2004	96.2
2005	96.9
2006	97.4
2007	97.9
2008	98.1
2009	98.5
2010	98.7
2011	99
2012	99.2
2013	99.3
2014	99.4
2015	99.5
2016	99.5
2017	99.6
2018	99.7
2019	99.7
2020	99.7
2021	99.7
2022	99.7