Year	Percent
2000	89.84883
2001	90.11345
2002	90.3738
2003	90.62972
2004	90.88125
2005	91.12825
2006	91.37096
2007	91.60923
2008	91.84331
2009	92.07203
2010	92.29597
2011	92.51499
2012	92.74518
2013	92.97088
2014	93.19235
2015	93.40956
2016	93.62278
2017	93.83197
2018	94.03741
2019	94.23914
2020	94.43733
2021	94.6321
2022	94.6614