Year	% of population
2004	3.01340608886129
2005	3.64537399743317
2006	4.31873063541371
2007	4.99969258134949
2008	5.68843170595416
2009	6.3848850859873
2010	7.08947218429387
2011	7.80213370206401
2012	8.52305779517129
2013	9.2522643631696
2014	9.98994475376001
2015	10.7362113028863
2016	11.4910806783373
2017	12.2546582377008
2018	13.0271522543392
2019	13.8085740400639
2020	14.5990344949132
2021	15.3986439321464
2022	15.4435747757048