Year	% of population
2000	95.4488747696246
2001	95.6056700719459
2002	95.7631038462297
2003	95.9211882711275
2004	96.0799237155867
2005	96.2393291087159
2006	96.3994063695659
2007	96.5601521121774
2008	96.7216000762121
2009	96.8837376976727
2010	97.0465782663178
2011	97.210131123477
2012	97.3744028381587
2013	97.5393834410297
2014	97.7051148368668
2015	97.7108558108169
2016	97.7166421557734
2017	97.7224529031103
2018	97.7283058549559