Year	Percent
2000	45.1169
2001	45.16477
2002	47.39091
2003	49.62166
2004	51.85703
2005	54.09701
2006	56.3416
2007	58.5908
2008	60.84461
2009	63.10304
2010	65.36607
2011	67.63372
2012	69.90598
2013	72.18286
2014	74.46434
2015	76.75044
2016	79.04114
2017	81.33646
2018	83.6364
2019	85.94094
2020	88.25009
2021	90.56386
2022	92.88224