Year	% of population
2000	8.53953837353588
2001	8.31422040955156
2002	8.09151515659043
2003	7.8715659581726
2004	7.65425361326582
2005	7.43996493540701
2006	7.22844985474881
2007	7.01971578419969
2008	6.81376905871713
2009	6.61073116092921
2010	6.41049080073411
2011	6.21316492570327
2012	6.01875332977277
2013	5.82736101574838
2014	5.63897977432861
2015	5.45360343220527
2016	5.27122508088667
2017	5.09202705051413
2018	4.91580236167528
2019	4.74272495925255
2020	4.57268432329827
2021	4.40583822485237
2022	4.25046342729705