Year	Percent
2000	67.21376
2001	67.76875
2002	68.32536
2003	68.8836
2004	69.44345
2005	70.00492
2006	70.568
2007	71.13271
2008	71.69903
2009	72.26698
2010	72.83654
2011	73.40772
2012	73.98052
2013	74.55493
2014	75.13097
2015	75.70862
2016	76.2879
2017	76.86879
2018	77.4513
2019	78.03543
2020	78.62117
2021	79.20854
2022	79.79752