Year	% of population
2004	23.6870904454085
2005	23.6472544993321
2006	23.6074200348738
2007	23.5822114479552
2008	23.6494333357022
2009	23.7169661210595
2010	23.7848112343019
2011	23.853278341766
2012	23.8996486746362
2013	23.9463308243823
2014	23.9930135427374
2015	24.040006918839
2016	24.089489022469
2017	24.1411507416008
2018	24.1953018535792
2019	24.2519427260086
2020	24.3110733978139