Year	Percent
2000	87.21772
2001	87.54319
2002	87.86865
2003	88.19412
2004	88.51958
2005	88.84505
2006	89.17051
2007	89.49598
2008	89.82144
2009	90.14691
2010	90.47237
2011	90.79784
2012	91.1233
2013	91.44876
2014	91.77423
2015	92.09969
2016	92.42516
2017	92.75062
2018	93.07609
2019	93.40155
2020	93.72702
2021	94.05248
2022	94.37795