Year	% of population
2001	13.17272147751924
2002	12.550604391589557
2003	11.731893574359665
2004	11.015659844794781
2005	10.206792707031436
2006	9.290776064312706
2007	8.231990165059996
2008	7.169298467290194
2009	6.012884899581555
2010	5.367908907882609
2011	4.93317132603087
2012	4.674738508364011
2013	4.4279919872212865
2014	4.27658131241088
2015	4.075252713957004
2016	3.8923202009580864
2017	3.6937161838905195
2018	3.581770889783661
2019	3.520049498637524
2020	3.5188909082007553
2021	3.4909021815374204