Year	% of population
2001	10.969301507649583
2002	10.703070381761133
2003	10.47246492338733
2004	9.96416514062323
2005	9.487253861732793
2006	8.944776975217444
2007	8.405310252957053
2008	8.054658228578193
2009	7.381348336926751
2010	6.780370450485672
2011	6.093289697520194
2012	5.829122865190552
2013	5.564325929625545
2014	5.388300282902014
2015	5.598955394928624
2016	5.845331069011475
2017	6.155969897275511
2018	6.050772716641652
2019	6.1011768633809105
2020	6.513388609801049
2021	6.863234818790892