Year	% of population
2006	4.6561409082823
2009	4.95824001171139
2011	3.48991038773765
2012	3.58408058489374
2015	3.45753084210412
2016	1.17393567927828
2017	1.50155848693393
2018	1.16427376006487
2019	1.27073409522415
2020	1.11446098456342