Year	Percent
2000	49.19257
2001	50.20959
2002	51.22662
2003	52.24365
2004	53.26067
2005	54.2777
2006	55.01747
2007	55.74705
2008	56.46643
2009	57.1756
2010	57.87458
2011	58.56336
2012	59.24194
2013	59.91033
2014	60.56851
2015	61.2165
2016	61.85428
2017	62.48187
2018	63.09926
2019	63.70644
2020	64.30343
2021	64.89022
2022	65.46682