Year	Number
1996	-1.07881093025208
1998	-1.01508116722107
2000	-0.969870448112488
2002	-1.01955211162567
2003	-0.974429309368134
2004	-0.946081817150116
2005	-0.819756150245667
2006	-0.833331823348999
2007	-0.791543304920197
2008	-0.915665328502655
2009	-0.908242762088776
2010	-0.889169752597809
2011	-0.833935797214508
2012	-0.955132007598877
2013	-0.944873750209808
2014	-0.787135541439056
2015	-0.589254200458527
2016	-0.679066300392151
2017	-0.739263594150543
2018	-0.656966507434845
2019	-0.875686287879944
2020	-0.988052368164063
2021	-1.09101843833923
2022	-1.00207138061523