Year	Percent
2000	61.89415
2001	61.56417
2002	61.22757
2003	60.88434
2004	60.53447
2005	60.17798
2006	59.81487
2007	59.44512
2008	59.06874
2009	58.68574
2010	58.2961
2011	57.89984
2012	57.49695
2013	57.08743
2014	56.67128
2015	56.24851
2016	55.8191
2017	55.38307
2018	54.94041
2019	54.49112
2020	54.0352
2021	53.57265
2022	53.57265