Year	% of population
2000	86.56863219460607
2001	86.55974163108712
2002	86.69840467587618
2003	86.86173407200192
2004	87.10192478154407
2005	87.34123423354907
2006	87.58049890449779
2007	87.83366546316167
2008	88.08965531624438
2009	88.37046277572506
2010	88.66038645664406
2011	88.95049426004329
2012	89.24098958760754
2013	89.53498879458836
2014	89.83566880246066
2015	90.13128325344543
2016	90.41134070946656
2017	90.66790845717848
2018	90.88251550093021
2019	91.04038692088966
2020	91.14379496115113
2021	91.23406204448837
2022	91.24387511040204