Year	% of population
2000	94.6
2001	94.8
2002	94.6
2003	95.1
2004	95.3
2005	95.5
2006	95.7
2007	96.7
2008	96.2
2009	96.5
2010	96.7
2011	97
2012	97.7
2013	97.6
2014	97.9
2015	98.1
2016	97.3
2017	98.7
2018	99
2019	99.7
2020	99.4
2021	99.7
2022	100