Year	% of population
1999	97
2000	98.5
2001	98.6
2002	99
2003	100
2004	98.5
2005	99.3
2006	98.6
2007	98.6
2008	98.6
2009	99
2010	98.8
2011	98.9
2012	99.1
2013	99
2014	99.1
2015	98
2016	99.3
2017	99.3
2018	99.3
2019	99.4
2020	99.5
2021	99.6
2022	100