Year	Percent
2000	74.85341
2001	76.26215
2002	77.65151
2003	79.01985
2004	80.36645
2005	81.68923
2006	82.94542
2007	84.0726
2008	85.33349
2009	86.58908
2010	87.83942
2011	89.08443
2012	90.32412
2013	91.55806
2014	92.7865
2015	93.97349
2016	95.06129
2017	96.13976
2018	97.20885
2019	98.26843
2020	99.15534
2021	99.70016
2022	99.70054