Year	Percent
2000	55.03691
2001	56.55064
2002	58.06437
2003	59.57809
2004	61.09182
2005	62.7054
2006	64.3238
2007	65.94703
2008	67.57509
2009	69.20798
2010	70.84569
2011	72.48824
2012	74.13561
2013	75.78781
2014	77.44484
2015	79.10669
2016	80.77338
2017	82.44489
2018	84.12123
2019	85.8024
2020	87.4884
2021	89.17923
2022	90.65111