Year	Number
1996	-0.53226763010025
1998	-0.45485520362854
2000	-0.0163649544119835
2002	-0.259639918804169
2003	-0.282602161169052
2004	-0.462027728557587
2005	-0.365165054798126
2006	-0.287643551826477
2007	-0.326841533184052
2008	-0.188693180680275
2009	-0.0558004304766655
2010	-0.146439358592033
2011	0.00015922928287182
2012	0.0197162088006735
2013	-0.115504145622253
2014	-0.241273880004883
2015	-0.162442341446877
2016	-0.194087252020836
2017	-0.0737601071596146
2018	-0.0363074876368046
2019	-0.0247740764170885
2020	0.160896986722946
2021	0.26886397600174
2022	0.263682216405869