Year	% of population
2000	70.078517334717
2001	70.6421850278993
2002	71.1918583653421
2003	71.7269643155818
2004	72.2475517663549
2005	72.7531510539839
2006	73.2443466074211
2007	73.7207212607151
2008	74.1828238425326
2009	74.6276877244098
2010	75.056807812812
2011	75.469916980438
2012	75.867622968565
2013	76.2501426819848
2014	76.6182319353339
2015	76.9719606352109
2016	76.3948592626
2017	75.7305417878483
2018	75.036130399841
2019	73.9538774939834
2020	72.2481473302903
2021	70.5470307769978
2022	70.5979339572563