Year	% of population
2000	12.9041169594124
2001	12.9180584505718
2002	12.9319995232709
2003	12.9459412194094
2004	12.9599494678663
2005	12.9287246903525
2006	12.8956647380229
2007	12.8606005980548
2008	12.8233593927561
2009	12.7836907013911
2010	12.7414937772022
2011	12.6965127737038
2012	12.6486456550862
2013	12.5976304395375
2014	12.5432818301055
2015	12.4855881231971
2016	12.4241933658134
2017	12.3589999628465
2018	12.2057367865275
2019	12.1923341948778
2020	12.204913637717
2021	12.2142960157692
2022	12.1818545491625