Year	Number
1996	-1.20116150379181
1998	-1.12161064147949
2000	-1.14563620090485
2002	-0.964197218418121
2003	-0.884644746780396
2004	-0.900518476963043
2005	-0.792612433433533
2006	-0.885929226875305
2007	-0.880020380020142
2008	-0.836160480976105
2009	-0.879176020622253
2010	-0.891145050525665
2011	-0.938726484775543
2012	-0.879532694816589
2013	-0.756104469299316
2014	-0.696949005126953
2015	-0.717284381389618
2016	-0.538908779621124
2017	-0.584700107574463
2018	-0.619775176048279
2019	-0.610212206840515
2020	-0.730720102787018
2021	-0.606355965137482
2022	-0.624645590782166