Year	% of population
2000	91.0896484335557
2001	91.0286886006993
2002	90.9677287678428
2003	90.9067689349864
2004	90.84580910213
2005	90.7848492692736
2006	90.7238894364172
2007	90.6629296035608
2008	90.6019697707044
2009	90.541009937848
2010	90.4800501049916
2011	90.4190902721352
2012	90.3581304392788
2013	90.2971706064224
2014	90.236210773566
2015	90.1752509407096
2016	90.1142911078532
2017	90.1142911078532
2018	90.1142911078532
2019	90.1142911078532
2020	90.1142911078532