Year	% of population
1996	76.96432583467825
1997	77.62352069609925
1998	78.52140882972573
1999	79.11231964386076
2000	81.09974166496677
2001	81.94313372752914
2002	81.90174083111165
2003	82.88902591929082
2004	82.82278472226444
2005	83.5817254471235
2006	85.80413040849815
2007	84.14037611759625
2008	83.84106592766868
2009	84.72287146745421
2010	87.49580296705305
2011	87.71236266317649
2012	87.40185182840573
2013	89.34425140875558
2014	88.83429586180026
2015	89.0475351878897
2016	89.5411657691967
2017	90.66630187429831
2018	89.1692812379426
2019	90.35815386954017
2020	90.63848705291709
2021	90.84938204619765
2022	91.02640451611477