Year	%
2000	12.40887816664934
2001	12.091029828617332
2002	11.895164159382768
2003	11.678624342533393
2004	11.328028423793759
2005	11.167812240047198
2006	10.788677699932109
2007	10.600851624311826
2008	10.453683188773539
2009	10.18050861236837
2010	9.959436579281908
2011	9.810101280072058
2012	9.669938809833447
2013	9.49772758787375
2014	9.361166801308968
2015	9.312379351416798
2016	9.290017839840866
2017	9.118147920841418
2018	9.077823970087689
2019	8.993974680209964