Year	Percent
2000	80.57967
2001	81.43855
2002	82.29115
2003	83.13654
2004	83.975
2005	84.80584
2006	85.62918
2007	86.44479
2008	87.25232
2009	88.05181
2010	88.84423
2011	89.62774
2012	90.40222
2013	91.1671
2014	91.92256
2015	92.66831
2016	93.40408
2017	94.12941
2018	95.16878
2019	95.98905
2020	96.66702
2021	97.31751
2022	97.95682