Year	Percent
2000	41.92474
2001	43.63657
2002	45.3499
2003	47.06473
2004	48.78107
2005	50.49891
2006	52.21825
2007	53.93909
2008	55.66144
2009	57.38529
2010	59.11064
2011	60.83749
2012	62.56584
2013	64.2957
2014	66.02706
2015	67.75992
2016	69.49429
2017	71.23016
2018	72.96753
2019	74.7064
2020	76.44677
2021	78.18865
2022	78.18865