Year	% of population
2001	12.666561769353855
2002	12.78648662135167
2003	12.811793721997411
2004	12.609756957896337
2005	12.059033963611096
2006	11.079375336483999
2007	9.975820413044644
2008	9.211873928121681
2009	8.57927667461271
2010	8.150847064523623
2011	7.799798022734073
2012	7.495098995206489
2013	7.307503098938214
2014	7.200711107381489
2015	7.067675901117281
2016	6.916122039445707
2017	6.723717822569551
2018	6.73169042473607
2019	7.122349535555155
2020	7.635112993391568
2021	7.923551366003118