Year	Percent
2000	43.56063
2001	44.27184
2002	45.48776
2003	46.71963
2004	47.96747
2005	49.23126
2006	50.51102
2007	51.80673
2008	53.11841
2009	54.44604
2010	55.78963
2011	57.14918
2012	58.52469
2013	59.91616
2014	61.32359
2015	62.74698
2016	64.18633
2017	65.64164
2018	67.11291
2019	68.60014
2020	68.60014
2021	68.60014
2022	68.60014