Year	Percent
2000	39.05254
2001	40.47166
2002	42.00926
2003	43.55489
2004	45.10854
2005	46.67022
2006	48.23993
2007	49.81766
2008	51.40343
2009	52.99721
2010	54.59903
2011	56.20888
2012	57.82675
2013	59.45265
2014	61.08657
2015	62.72853
2016	64.37851
2017	66.03651
2018	67.70255
2019	69.37661
2020	71.0587
2021	72.74882
2022	74.44696