Year	% of population
2001	14.702246006939875
2002	13.802198142086947
2003	12.767464286554997
2004	12.180574793740266
2005	11.768452433329523
2006	11.426969291724717
2007	11.385894094171656
2008	11.441792625600213
2009	12.154706666355978
2010	12.55721983138341
2011	12.86878458562668
2012	12.331334889665127
2013	11.816491760550791
2014	11.37210108165292
2015	11.187212624049153
2016	11.057986393053648
2017	10.777782142350752
2018	10.432252266717175
2019	10.186181523852628
2020	10.052314661917222
2021	9.989889721993352