Year	Percent
2000	36.84036
2001	37.8255
2002	38.81865
2003	39.86966
2004	40.9633
2005	42.05448
2006	43.14375
2007	44.23059
2008	45.31484
2009	46.39602
2010	47.47462
2011	48.55015
2012	49.62215
2013	50.69078
2014	51.75586
2015	52.81938
2016	53.88068
2017	54.93987
2018	55.99604
2019	57.04903
2020	58.09821
2021	59.14338
2022	60.18391