Year	Percent
2000	87.02102
2001	87.07595
2002	87.13089
2003	87.18582
2004	87.82819
2005	88.47131
2006	89.11516
2007	89.75975
2008	90.40508
2009	91.05115
2010	91.69797
2011	92.34552
2012	92.99381
2013	93.64284
2014	94.29261
2015	94.94312
2016	95.59437
2017	96.24636
2018	96.89909
2019	97.55256
2020	98.20677
2021	98.86172
2022	98.96903