Year	Percent
2000	45.21474
2001	45.42356
2002	45.63437
2003	45.84729
2004	45.86864
2005	45.88706
2006	45.90239
2007	45.91453
2008	45.92326
2009	45.92854
2010	45.93007
2011	45.92771
2012	45.92132
2013	45.91062
2014	45.89551
2015	45.87571
2016	45.85102
2017	45.8212
2018	45.78604
2019	45.74528
2020	45.72751
2021	45.70933
2022	45.69068