Year	Percent
2000	28.01915
2001	29.20283
2002	30.38346
2003	31.56106
2004	32.73562
2005	33.90714
2006	35.07563
2007	36.24108
2008	37.4035
2009	38.56287
2010	39.71921
2011	40.87252
2012	42.02279
2013	43.17002
2014	44.31421
2015	45.45537
2016	46.59349
2017	47.72857
2018	48.86062
2019	49.98963
2020	51.11561
2021	51.11561
2022	51.11561