Year	Percent
2000	44.90537
2001	46.47433
2002	48.01369
2003	49.4008
2004	50.76834
2005	52.13583
2006	53.50337
2007	54.87077
2008	56.23812
2009	57.60545
2010	58.9727
2011	60.33991
2012	61.70702
2013	63.07411
2014	64.43966
2015	65.80252
2016	67.16185
2017	68.51634
2018	69.86488
2019	71.20652
2020	72.53999
2021	73.86411
2022	73.82645