Year	Percent
2000	48.48678
2001	48.93724
2002	49.38769
2003	49.83815
2004	50.28861
2005	50.73907
2006	51.18952
2007	51.63998
2008	51.43507
2009	51.21881
2010	50.99123
2011	50.75231
2012	50.50205
2013	50.24046
2014	49.96753
2015	49.68327
2016	49.38768
2017	49.08075
2018	48.76248
2019	48.43288
2020	48.09195
2021	47.73968
2022	48.11079