Year	Percent
2000	81.01779
2001	81.7198
2002	82.42304
2003	83.12751
2004	83.83321
2005	84.54014
2006	85.2483
2007	85.9577
2008	86.66833
2009	87.38018
2010	88.09327
2011	88.80759
2012	89.52314
2013	90.23993
2014	90.95794
2015	91.67719
2016	92.39766
2017	93.11937
2018	93.84231
2019	94.56648
2020	95.29188
2021	96.01852
2022	96.74638