Year	% of population
2000	44.7133512939622
2001	44.8042067728029
2002	44.8953086495753
2003	44.9866686514044
2004	45.0783063912244
2005	45.1702090001211
2006	45.2623901395973
2007	45.354826728298
2008	45.4475368269168
2009	45.5404948671789
2010	45.6337030602372
2011	45.7269016404145
2012	45.8201845405088
2013	45.9121605101483
2014	46.0044729389319
2015	46.0970783197366
2016	46.1899697245243