Year	Percent
2000	52.93472
2001	52.93472
2002	52.09584
2003	51.24203
2004	50.37329
2005	49.48963
2006	48.59105
2007	47.67755
2008	46.74912
2009	45.80577
2010	44.84749
2011	43.8743
2012	42.88617
2013	41.88313
2014	40.86516
2015	39.83227
2016	38.78446
2017	37.72172
2018	36.64406
2019	35.55147
2020	34.44397
2021	34.64001
2022	34.83605