Year	Percent
2000	84.82446
2001	85.01173
2002	85.19901
2003	85.38628
2004	85.7886
2005	86.19186
2006	86.59605
2007	87.00119
2008	87.40727
2009	87.8143
2010	88.22226
2011	88.63117
2012	89.04101
2013	89.4518
2014	89.86353
2015	90.2762
2016	90.68981
2017	91.10436
2018	91.51985
2019	91.93629
2020	92.35366
2021	92.77198
2022	93.19124