Year	Percent
2000	75.43706
2001	76.07381
2002	76.71055
2003	77.3473
2004	78.01747
2005	78.68818
2006	79.35944
2007	80.03125
2008	80.7036
2009	81.3765
2010	82.04994
2011	82.72393
2012	83.39847
2013	84.07355
2014	84.74918
2015	85.42535
2016	86.10207
2017	86.77933
2018	87.45714
2019	88.1355
2020	88.8144
2021	89.49385
2022	90.17384
