Year	% of population
2007	26.9571726883644
2008	27.0702628626765
2009	27.1844924264895
2010	27.2512835621339
2011	27.2888531603256
2012	31.7354895743522
2013	36.1761302142208
2014	40.6107738979101
2015	45.0394222061739
2016	49.4623015231905
2017	53.8791286238327
2018	58.2915913650756
2019	62.6986579630054
2020	67.0997349761457
2021	71.493672879145
2022	75.8797667083034
