Year	Percent
2000	49.95978
2001	51.8723
2002	53.77333
2003	55.66102
2004	57.53608
2005	59.52866
2006	61.51574
2007	63.49686
2008	65.47127
2009	67.4391
2010	69.40269
2011	71.35788
2012	73.30447
2013	75.24109
2014	77.16825
2015	79.08527
2016	80.99152
2017	82.88576
2018	84.76794
2019	86.6378
2020	88.49511
2021	90.33926
2022	92.17034