Year	Percent
2000	32.61099
2001	33.78501
2002	35.21316
2003	36.65838
2004	38.12067
2005	39.60003
2006	41.09646
2007	42.60996
2008	44.14052
2009	45.68816
2010	47.25287
2011	48.83464
2012	50.43348
2013	52.04939
2014	53.68238
2015	55.33243
2016	56.99954
2017	58.68373
2018	60.38499
2019	62.10332
2020	63.83871
2021	65.59118
2022	65.59118