Year	% of population
2001	10.388300488679425
2002	9.970189619433173
2003	9.424682346192652
2004	8.898178870484143
2005	8.293227499154254
2006	7.627105084658989
2007	6.902220379158446
2008	6.1593163257163175
2009	5.293617298368029
2010	4.804458309447145
2011	4.462313167969607
2012	4.260161466652563
2013	4.066177101039638
2014	3.984795142568235
2015	3.905659397123632
2016	3.8549837797059996
2017	3.7933349828826444
2018	3.7577166304078067
2019	3.771798664443639
2020	3.864743684572366
2021	3.9554569477496466