Year	%
2001	12.028882687037862
2002	10.179241024444867
2003	9.814392112695208
2004	10.619257435552186
2005	9.915011824820587
2006	10.066888986365118
2007	12.162271482981353
2008	9.58898615886766
2009	9.69731901595717
2010	10.37148697018661
2011	9.231410366869678
2012	12.198882768233215
2013	9.160959096109494
2014	9.479679725159789
2015	8.247272108550522
2016	7.3567268005285955
2017	7.2801510046786575
2018	9.45086412797515
2019	9.257134821930846
2020	7.174458548526505
2021	7.224638838988065
2022	6.320543273408924
2023	6.556099453164317