Year	Percent
2000	70.36997
2001	71.68837
2002	72.97979
2003	74.17675
2004	75.34846
2005	76.51007
2006	77.66138
2007	78.80244
2008	79.93355
2009	81.05453
2010	82.16544
2011	83.26635
2012	84.35752
2013	85.43371
2014	86.49922
2015	87.55615
2016	88.60471
2017	89.64469
2018	90.67739
2019	91.71567
2020	92.74627
2021	93.60275
2022	94.57275