Year	Percent
2000	45.23872
2001	45.54814
2002	45.86232
2003	46.51754
2004	47.16636
2005	47.62679
2006	48.07615
2007	48.51373
2008	48.93941
2009	49.35305
2010	49.75451
2011	50.14319
2012	50.519
2013	50.88232
2014	51.23211
2015	51.56879
2016	52.09781
2017	52.61741
2018	53.12702
2019	53.62694
2020	54.11664
2021	54.5956
2022	54.84476
