Year	Number
1996	0.57122015953064
1998	-0.0381234660744667
2000	0.0926911979913712
2002	0.539594113826752
2003	0.485534876585007
2004	0.34800398349762
2005	0.566449165344238
2006	0.288379698991776
2007	0.193307161331177
2008	0.108542367815971
2009	-0.0416609197854996
2010	0.143352136015892
2011	0.0774097666144371
2012	-0.00521240243688226
2013	0.0517915934324265
2014	0.266619145870209
2015	0.25394731760025
2016	0.129485934972763
2017	0.111208952963352
2018	0.247989401221275
2019	0.146066397428513
2020	0.124463096261024
2021	0.0587539859116077
2022	0.140358164906502