Year	% of population
2000	98.9
2001	100
2002	98
2003	99.1
2004	99.1
2005	99.8
2006	99.1
2007	99.2
2008	99.2
2009	99.3
2010	99.8
2011	99.5
2012	99.5
2013	99.4
2014	99.7
2015	100
2016	99.8
2017	99.7
2018	99.9
2019	100
2020	100
2021	100
2022	100