Year	%
2000	0.9193000918135307
2001	0.8870887372976455
2002	0.8284802156164947
2003	0.7869834511433842
2004	0.7612940133204903
2005	0.7275098493124263
2006	0.6793292399256242
2007	0.6658363744816611
2008	0.6551623082999429
2009	0.634256368224849
2010	0.6002982216016484
2011	0.5754719855586422
2012	0.5529024325326087
2013	0.5415423165376738
2014	0.5244369034404749
2015	0.5054149245466741
2016	0.49734163024752487
2017	0.48672630449257864
2018	0.48016798588912124
2019	0.47067119922013956
2020	0.4436717712233928