Year	Number
2000	0.371275216341019
2002	0.360481679439545
2003	-0.504247784614563
2004	-0.305080533027649
2005	-0.526772022247314
2006	-0.514050006866455
2007	-0.735240697860718
2008	-0.648774087429047
2009	-0.585376560688019
2010	-0.615350246429443
2011	-0.61815357208252
2012	-0.653357148170471
2013	-0.649519383907318
2014	-0.486074388027191
2015	-0.559605658054352
2016	-0.437756061553955
2017	-0.527442336082459
2018	-0.527982175350189
2019	-0.541139304637909
2020	-0.463044196367264
2021	-0.34126940369606
2022	-0.263794988393784