Year	Number
1996	-0.965788543224335
1998	-0.908676981925964
2000	-0.983719408512115
2002	-0.959304392337799
2003	-0.834280729293823
2004	-0.893445909023285
2005	-0.938896775245667
2006	-0.667515754699707
2007	-0.659463107585907
2008	-0.706700682640076
2009	-0.832281887531281
2010	-0.807519137859344
2011	-0.741804361343384
2012	-0.67731785774231
2013	-0.649538218975067
2014	-0.468450874090195
2015	-0.527424871921539
2016	-0.508126080036163
2017	-0.471185684204102
2018	-0.445004612207413
2019	-0.48414608836174
2020	-0.405230104923248
2021	-0.62435907125473
2022	-0.623456954956055