Year	% of population
2000	68.03396094567407
2001	68.37455922723227
2002	69.61070351574268
2003	70.35698290919183
2004	71.08370245291258
2005	71.79879623355147
2006	72.49765482328375
2007	73.17976637739196
2008	73.84276976162133
2009	74.48835651348648
2010	75.11291593886583
2011	70.45276431307734
2012	71.26933739751611
2013	72.08063025936178
2014	72.88510617156074
2015	73.6797660830461
2016	74.46316899512914
2017	75.23778126360082
2018	75.99495772296544
2019	76.73504093042877
2020	77.43804170280166
2021	78.095677448162
2022	78.44703894397233