Year	Percent
2000	71.59462
2001	71.95209
2002	72.31432
2003	72.6813
2004	73.20565
2005	73.78451
2006	74.41341
2007	75.04617
2008	75.6828
2009	76.32331
2010	76.9677
2011	77.61598
2012	78.26815
2013	78.92422
2014	79.58419
2015	80.25202
2016	80.92734
2017	81.60916
2018	82.29693
2019	82.98983
2020	83.68727
2021	84.38853
2022	84.91095