Year	Percent
2000	44.17969
2001	44.96458
2002	45.73073
2003	46.47796
2004	47.94192
2005	49.40515
2006	50.8681
2007	52.32919
2008	53.78757
2009	55.24054
2010	56.68923
2011	57.96222
2012	59.14789
2013	60.34567
2014	61.55521
2015	62.777
2016	64.01069
2017	65.25597
2018	66.5167
2019	67.79234
2020	69.08225
2021	69.5233
2022	69.96488