Year	Percent
2000	79.64164
2001	80.21445
2002	80.78558
2003	81.35669
2004	81.92778
2005	82.49884
2006	83.06988
2007	83.64089
2008	84.21189
2009	84.78285
2010	85.3538
2011	85.92472
2012	86.49561
2013	87.06649
2014	87.63734
2015	88.20816
2016	88.77896
2017	89.34974
2018	89.9205
2019	90.49123
2020	91.06193
2021	91.63262
2022	92.20328