Year	Percent
2000	89.30693
2001	89.57501
2002	89.8431
2003	90.11118
2004	90.37927
2005	90.64735
2006	90.91544
2007	91.18352
2008	91.45161
2009	91.87131
2010	92.2919
2011	92.71338
2012	93.13574
2013	93.55899
2014	93.98312
2015	94.40814
2016	94.83405
2017	95.26084
2018	95.68852
2019	96.11709
2020	96.54654
2021	96.97688
2022	97.40811