Year	Number
1996	-0.207235246896744
1998	-0.187200337648392
2000	0.0706235095858574
2002	0.0284165181219578
2003	0.271764487028122
2004	0.117705419659615
2005	0.197485223412514
2006	0.40759339928627
2007	0.497320413589478
2008	0.431884378194809
2009	0.498016387224197
2010	0.514764845371246
2011	0.484657794237137
2012	0.431352198123932
2013	0.438854575157166
2014	0.4616459608078
2015	0.488428711891174
2016	0.583630621433258
2017	0.596760809421539
2018	0.558498740196228
2019	0.550957500934601
2020	0.553479671478271
2021	0.462129205465317
2022	0.394973695278168