Year	% of population
1998	37.01163025837265
1999	38.3597853491153
2000	36.40255304112472
2001	37.18523855639276
2002	38.719755151456425
2003	40.545707780373014
2004	40.508593217033074
2005	41.520918315953985
2006	43.956309792962216
2007	44.17071281952805
2008	45.45523946848892
2009	46.34381862591305
2010	47.231586842482564
2011	49.57916325308651
2012	51.25645180001136
2013	52.20230276150493
2014	52.942200803046596
2015	54.457463855060965
2016	58.32641422158533
2017	60.26793326493652
2018	61.3394550392999
2019	62.75446943235657
2020	63.929662339487884
2021	65.60173595128661
2022	66.11973189229226