Year	%
2000	29.039438614982775
2001	28.69420084220778
2002	28.47327075096239
2003	28.243011503681178
2004	27.763269143428474
2005	27.470348756122032
2006	26.965318200675274
2007	26.71362246137816
2008	26.638266275714432
2009	26.418946241090282
2010	26.286148821040833
2011	25.964784654699628
2012	25.605981509644483
2013	24.96058685271052
2014	24.503052530715987
2015	24.369265674709435
2016	24.228686789668593
2017	23.768528063322357
2018	23.498151721547696
2019	23.266100657404007
