Year	% of population
2000	82.2
2001	86
2002	89.4
2003	92
2004	94.2
2005	95.8
2006	97
2007	97.8
2008	98.6
2009	98.9
2010	99.2
2011	99.5
2012	99.7
2013	99.8
2014	99.8
2015	99.9
2016	99.9
2017	99.9
2018	99.9
2019	99.9
2020	99.9
2021	99.9
2022	99.9