Year	Percent
2000	45.89168
2001	45.79921
2002	45.87517
2003	45.97754
2004	45.94782
2005	45.67371
2006	45.57464
2007	45.14201
2008	45.08917
2009	45.03303
2010	44.77213
2011	44.11162
2012	43.98943
2013	44.13804
2014	43.96631
2015	43.85733
2016	44.6103
2017	43.82431
2018	44.71598
2019	44.79599
2020	45.06636
2021	45.10139