Year	%
2000	45.83317953443544
2001	45.33218333794349
2002	44.3815724197098
2003	44.550691014379915
2004	43.22492296516388
2005	43.93911491375567
2006	43.980862336270675
2007	44.650663817290734
2008	44.765200996455654
2009	43.93517217936845
2010	43.83162637391498
2011	43.71333371152151
2012	43.59462560310003
2013	43.408519911636525
2014	43.44748392237765
2015	43.29266872883454
2016	43.07095470805051
2017	42.99806697104526
2018	42.969567934297444
2019	42.728085500434844