Year	Percent
2000	48.7962
2001	49.32886
2002	49.86153
2003	50.39419
2004	50.92686
2005	51.45952
2006	51.99219
2007	52.52485
2008	52.99586
2009	53.46562
2010	53.93414
2011	54.40143
2012	54.86748
2013	55.33229
2014	55.79586
2015	56.25819
2016	56.71929
2017	57.17915
2018	57.63777
2019	58.09515
2020	58.55129
2021	59.0062
2022	59.5302