Year	Percent
2000	40.51997
2001	42.05354
2002	43.59885
2003	45.15592
2004	46.72473
2005	48.30529
2006	49.8976
2007	51.50166
2008	53.11747
2009	54.74502
2010	56.38433
2011	58.03538
2012	59.69818
2013	61.37273
2014	63.05902
2015	64.75707
2016	66.46686
2017	68.1884
2018	69.92169
2019	71.66673
2020	73.42351
2021	75.19205
2022	76.97233