Year	% of population
2006	86.6045929266326
2007	86.6898837387217
2008	86.774876715243
2009	86.8595686678382
2010	86.9436644783503
2011	86.6728550267178
2012	86.3985023473426
2013	86.1200575370776
2014	85.8384000740046
2015	85.5554222483739
2016	85.2707366584028
2017	84.9842421033383
2018	84.6960873056005
2019	84.4058998947847
2020	84.113339319016
2021	84.1905545240624
2022	84.2692134674109