Year	% of population
2000	57.1558732950325
2001	57.4633268356124
2002	57.9533597334294
2003	58.4413266271749
2004	59.5097243830066
2005	60.5769397308556
2006	61.6425661631839
2007	62.7068121458873
2008	63.7703887855653
2009	64.8327577829855
2010	65.8939089725679
2011	66.9521763941775
2012	68.0075710023272
2013	69.0595370271782
2014	70.1070424458081
2015	71.1495835987263
2016	72.1866570049193
2017	73.2177601533073
2018	73.406815881715
2019	73.5958698078761
2020	73.7845109785203
2021	73.972326863006