Year	% of population
2000	96.9
2001	98.2
2002	98.5
2003	98.7
2004	99
2005	99.1
2006	99.1
2007	99.2
2008	99.3
2009	99.4
2010	99
2011	99.2
2012	99.5
2013	99.6
2014	99.4
2015	99.4
2016	99.5
2017	99.6
2018	99.7
2019	99.7
2020	99.9
2021	100
2022	100