Year	Percent
2000	67.66782
2001	68.50596
2002	69.7649
2003	71.04632
2004	72.23801
2005	73.17732
2006	74.12863
2007	75.07866
2008	76.02704
2009	76.97343
2010	77.91863
2011	78.86171
2012	79.80289
2013	80.74184
2014	81.67878
2015	82.61339
2016	83.54587
2017	84.47591
2018	85.40347
2019	86.32823
2020	87.25043
2021	87.38364
2022	87.51635