Year	Percent
2000	69.55448
2001	69.76933
2002	69.98418
2003	70.19903
2004	70.41388
2005	70.62873
2006	70.84358
2007	71.05844
2008	71.27329
2009	71.48814
2010	71.70299
2011	71.91784
2012	72.13269
2013	72.34754
2014	72.56239
2015	73.53338
2016	75.07865
2017	76.63173
2018	78.19263
2019	79.76136
2020	81.3379
2021	82.92226
2022	82.92226