Year	Percent
2000	85.35103
2001	85.91441
2002	86.49803
2003	87.03056
2004	87.5566
2005	88.07531
2006	88.58737
2007	89.09246
2008	89.59075
2009	90.0818
2010	90.56609
2011	91.0432
2012	91.51358
2013	91.97672
2014	92.43306
2015	92.88201
2016	93.32389
2017	93.75867
2018	94.18629
2019	94.60685
2020	95.02045
2021	95.42707
2022	95.80409