Year	% of population
2000	28.7270268450208
2001	27.6731162505613
2002	26.6261131915836
2003	25.5857043016573
2004	24.5523062591409
2005	23.5259620842628
2006	22.5063951880463
2007	21.4939871107323
2008	20.4887762504124
2009	19.490801565114
2010	18.4998440624941
2011	17.5162309690732
2012	16.5399974390156
2013	15.5711866724203
2014	14.6098374521704
2015	13.6534885215783
2016	12.702696307559
2017	11.7580145432157
2018	10.8199993826649
2019	9.88934521256624
2020	8.96631512175944
2021	8.05161625834966
2022	7.14570601210631