Year	Number
1996	-0.286933869123459
1998	-0.52674263715744
2000	-0.262158989906311
2002	-0.196587815880775
2003	-0.283442199230194
2004	-0.17491602897644
2005	-0.289697855710983
2006	-0.189176306128502
2007	-0.352275401353836
2008	-0.357895225286484
2009	-0.363970696926117
2010	-0.112342447042465
2011	-0.194315671920776
2012	-0.169484630227089
2013	0.135365903377533
2014	0.225672602653503
2015	0.0993585586547852
2016	-0.0679305344820023
2017	-0.0846091955900192
2018	-0.17701081931591
2019	-0.215014025568962
2020	-0.286919236183167
2021	-0.163205832242966
2022	4.70589620817918E-05