Year	Number
1996	0.0341111831367016
1998	0.0721104592084885
2000	-0.183523014187813
2002	-0.391418874263763
2003	-0.585180282592773
2004	-0.649820864200592
2005	-0.695960521697998
2006	-0.757418632507324
2007	-0.627492427825928
2008	-0.431019514799118
2009	-0.489155441522598
2010	-0.239367961883545
2011	-0.206647053360939
2012	-0.18742011487484
2013	-0.150675311684608
2014	-0.326231420040131
2015	-0.367109000682831
2016	-0.255904018878937
2017	-0.204651653766632
2018	-0.32370787858963
2019	-0.12579932808876
2020	-0.294040530920029
2021	-0.294465482234955
2022	-0.39776611328125