Year	Percent
2000	44.44228
2001	45.72861
2002	47.28831
2003	48.85676
2004	50.43349
2005	52.01767
2006	53.60953
2007	55.20897
2008	56.81585
2009	58.4287
2010	60.04845
2011	61.67096
2012	63.29622
2013	64.92357
2014	66.55301
2015	68.18454
2016	69.81723
2017	71.45174
2018	73.08746
2019	74.72413
2020	76.36179
2021	78.00019
2022	79.63941