Year	% of population
2001	10.207225920535349
2002	9.539397050452912
2003	8.745926895435325
2004	8.075510730483236
2005	7.42744995396602
2006	6.74595747011068
2007	5.936649132740545
2008	5.176319932998394
2009	4.343264803742904
2010	4.0259621924294695
2011	3.8506133051488547
2012	3.753398540232726
2013	3.650093145414485
2014	3.5751412818302395
2015	3.510350851407257
2016	3.474792364416217
2017	3.4493430838974777
2018	3.396052521005315
2019	3.374149513624638
2020	3.487057737231926
2021	3.6003020024373154