Year	Percent
2000	86.93565
2001	87.07238
2002	87.20912
2003	87.34585
2004	87.51018
2005	87.6746
2006	87.8391
2007	88.00369
2008	88.16837
2009	88.33313
2010	88.49798
2011	88.66291
2012	88.82793
2013	88.99304
2014	89.15823
2015	89.32351
2016	89.48888
2017	89.65433
2018	89.81987
2019	89.98549
2020	90.1512
2021	90.317
2022	90.45451