Year	Number
1996	-0.972923278808594
1998	-0.943927407264709
2000	-0.638303697109222
2002	-0.658738374710083
2003	-1.06557416915894
2004	-0.842662632465363
2005	-0.484425157308578
2006	-0.628867745399475
2007	-0.712383568286896
2008	-0.715373158454895
2009	-0.759196937084198
2010	-0.822992086410522
2011	-0.853439450263977
2012	-1.32570588588715
2013	-1.34343707561493
2014	-0.849528133869171
2015	-0.749232172966003
2016	-0.733713030815125
2017	-0.797392129898071
2018	-0.682131171226501
2019	-0.481393307447433
2020	-0.452649712562561
2021	-0.239976644515991
2022	-0.39475405216217