Year	% of population
2004	23.5
2005	26.3
2006	27.2
2007	33.15
2008	35.6
2009	38.1
2010	40.9
2011	42.2
2012	48.1
2013	53.45036418
2014	62.07508046
2015	65.3170254
2016	67.05684137
2017	70.33083553
2018	73.36070915
2019	77.41677362
2020	78.36804864
2021	81.16588116
2022	83.53825397