Year	% of population
2000	4.87754305327517
2001	6.66564043132179
2002	8.60166440077817
2003	10.6103559864952
2004	11.1238516656784
2005	11.609332913971
2006	12.0347463223553
2007	12.4603805311868
2008	12.8866839142888
2009	13.3130284748662
2010	13.7397091739604
2011	14.1667135136299
2012	14.5941781920226
2013	15.021489608001
2014	15.4490861924632
2015	15.8768081298228
2016	16.3047908313028
2017	16.7325815626677
2018	17.1601689389509
2019	17.587695967652
2020	17.6819038152423
2021	17.7766982378824
2022	17.8720755715615