Year	% of population
2000	97
2001	96.2
2002	95.5
2003	96.5
2004	96.6
2005	96.8
2006	96.9
2007	97.1
2008	97.3
2009	97.6
2010	97.8
2011	98
2012	98.3
2013	98.5
2014	98.7
2015	99
2016	99.2
2017	99.4
2018	99.6
2019	99.8
2020	99.9
2021	100
2022	100