Year	% of population
2000	87.6669269654323
2001	88.1359392097076
2002	88.6033940308795
2003	89.0695626056267
2004	89.535067661347
2005	89.9997328171333
2006	90.463786071511
2007	90.9270366712693
2008	91.389714779665
2009	91.851632903701
2010	92.3128297975777
2011	92.7707536939526
2012	93.2268007089789
2013	93.6231264544083
2014	94.0211238749445
2015	94.4204081447428
2016	94.8209556611028