Year	Percent
2000	91.55053
2001	91.55192
2002	91.54998
2003	91.54625
2004	91.54255
2005	91.88973
2006	92.23782
2007	92.58688
2008	92.93687
2009	93.28774
2010	93.63949
2011	93.99212
2012	94.34551
2013	94.69976
2014	95.05492
2015	95.41098
2016	95.76794
2017	96.12581
2018	96.4846
2019	96.84426
2020	97.20473
2021	97.56596
2022	97.92786