Year	Percent
2000	55.14844
2001	56.69903
2002	58.24304
2003	59.78048
2004	61.31135
2005	62.83564
2006	64.35335
2007	65.86449
2008	67.36906
2009	68.86705
2010	70.35846
2011	71.8433
2012	73.32157
2013	74.79326
2014	76.25837
2015	77.71691
2016	79.16888
2017	80.61427
2018	82.05309
2019	83.48533
2020	84.91099
2021	86.33008
2022	87.7426