Year	Percent
2000	53.85515
2001	54.69444
2002	55.5307
2003	56.36428
2004	57.19482
2005	58.02267
2006	58.84746
2007	59.66952
2008	60.48852
2009	61.30794
2010	62.12746
2011	62.94703
2012	63.76602
2013	64.58462
2014	65.40196
2015	66.21843
2016	67.03293
2017	67.84582
2018	68.65666
2019	69.46488
2020	70.27047
2021	71.07283
2022	71.87191