Year	%
2000	14.352296211160049
2001	13.97292627296577
2002	13.782940178249259
2003	13.493049874655682
2004	13.013367182184227
2005	12.79262552610664
2006	12.412672853099087
2007	12.132886188047408
2008	12.022271378917283
2009	11.721881659715867
2010	11.421521920435438
2011	11.320872522103668
2012	11.219477603479422
2013	11.017824710855525
2014	10.91653968835899
2015	10.926839133148201
2016	11.015445066763132
2017	10.803871819493626
2018	10.781127612932861
2019	10.768864932489016