Year	Percent
2000	36.51694
2001	37.82962
2002	39.14298
2003	40.457
2004	41.77169
2005	43.08705
2006	44.40308
2007	45.71979
2008	47.03716
2009	48.3552
2010	49.67391
2011	50.9933
2012	52.31335
2013	53.63407
2014	54.95547
2015	56.27753
2016	57.60026
2017	58.92367
2018	60.24774
2019	61.57248
2020	62.8979
2021	64.20755
2022	64.20755