Year	% of population
2000	10.6799036851121
2001	10.0138343397792
2002	9.35839163549085
2003	8.71391711051642
2004	8.08038464426272
2005	7.4581101326857
2006	6.84682132250166
2007	6.24654739472271
2008	5.65713782994246
2009	5.07855675737028
2010	4.51049047678846
2011	3.9527039893053
2012	3.4049128212455
2013	2.87691393288591
2014	2.87105655613051
2015	2.86526434034411
2016	2.85959170905479
2017	2.85407132165937