Year	Percent
2000	88.64995
2001	88.62522
2002	88.6005
2003	88.57577
2004	88.55093
2005	89.14414
2006	89.74484
2007	90.3526
2008	90.96697
2009	91.58757
2010	92.21386
2011	92.84544
2012	93.48175
2013	94.12237
2014	94.7668
2015	95.41441
2016	96.06481
2017	96.71744
2018	97.32968
2019	97.87917
2020	98.42777
2021	98.97482
2022	98.98181