Year	Percent
2000	87.46508
2001	87.46508
2002	87.46508
2003	87.64928
2004	87.83355
2005	88.01788
2006	88.20229
2007	88.38676
2008	88.5713
2009	88.7559
2010	88.94058
2011	89.12532
2012	89.31014
2013	89.49502
2014	89.67996
2015	89.86498
2016	90.05007
2017	90.23522
2018	90.42044
2019	90.60573
2020	90.79109
2021	90.94449
2022	90.96309