Year	Percent
2000	61.92061
2001	62.0984
2002	62.2756
2003	62.45222
2004	62.62824
2005	62.80367
2006	62.97852
2007	63.15277
2008	63.32643
2009	63.49951
2010	63.67199
2011	63.84389
2012	64.01519
2013	64.18591
2014	64.35604
2015	64.52557
2016	64.69452
2017	64.86288
2018	65.03064
2019	65.19782
2020	65.36441
2021	65.60938
2022	65.85435