Year	Percent
2000	34.23174
2001	35.13808
2002	36.03603
2003	36.92557
2004	37.80673
2005	38.67948
2006	39.54384
2007	40.3998
2008	41.24737
2009	42.08654
2010	42.91731
2011	43.73969
2012	44.55366
2013	45.35925
2014	46.15643
2015	46.94522
2016	47.72562
2017	48.49761
2018	49.26121
2019	50.01642
2020	50.76322
2021	51.50163
2022	52.46118