Year	Percent
2000	17.401
2001	20.20473
2002	23.00846
2003	25.81219
2004	28.61592
2005	31.35807
2006	34.08923
2007	36.80941
2008	39.51859
2009	42.21679
2010	44.90399
2011	47.5802
2012	50.24543
2013	52.89966
2014	55.54291
2015	58.17516
2016	60.79643
2017	63.4067
2018	66.00599
2019	68.59429
2020	68.59429
2021	68.59429
2022	68.59429