Year	% of population
2000	15.7469924407029
2001	15.180563860557
2002	14.6168573294895
2003	14.0556127085025
2004	13.4968259569422
2005	12.9396051155977
2006	12.3754365728316
2007	11.8147273852185
2008	11.2570536726437
2009	10.7028217540752
2010	10.1518253319124
2011	9.60406379490295
2012	9.05953698191018
2013	8.51824602567574
2014	7.98033833010288
2015	7.44565013513606
2016	6.91417999090266
2017	6.88643306119719
2018	6.85682710066173
2019	6.82522935779069
2020	6.79177272873903