Year	Percent
2000	40.48239
2001	40.62725
2002	40.76984
2003	40.91015
2004	41.04818
2005	41.18394
2006	41.31743
2007	41.44864
2008	41.57758
2009	41.70424
2010	41.82862
2011	41.95073
2012	42.07057
2013	42.18813
2014	42.30341
2015	42.41642
2016	42.52715
2017	42.63561
2018	42.74179
2019	42.8457
2020	42.8457
2021	42.8457
2022	42.8457
