Year	Percent
2000	82.56155
2001	82.75443
2002	82.94571
2003	83.12767
2004	83.30088
2005	83.78778
2006	84.27533
2007	84.76352
2008	85.25232
2009	85.74165
2010	86.23159
2011	86.72211
2012	87.21322
2013	87.70185
2014	88.19083
2015	88.68107
2016	89.17245
2017	89.66559
2018	90.16026
2019	90.65619
2020	91.1532
2021	91.65103
2022	92.14941