Year	Percent
2000	42.6262
2001	43.20062
2002	43.7647
2003	44.31844
2004	44.86185
2005	45.39493
2006	45.91766
2007	46.43006
2008	46.93213
2009	47.42386
2010	47.90525
2011	48.37631
2012	48.83703
2013	49.28742
2014	49.72747
2015	50.15718
2016	50.57656
2017	50.9856
2018	51.3843
2019	51.77267
2020	52.15071
2021	52.5184
2022	52.5184