Year	Number
1996	-0.111606687307358
1998	-0.11445739865303
2000	-0.187351524829865
2002	-0.189068421721458
2003	-0.143909424543381
2004	-0.179698884487152
2005	-0.0987746343016624
2006	-0.0953764915466309
2007	0.136991709470749
2008	-0.00973291415721178
2009	-0.00329578877426684
2010	0.0316559858620167
2011	0.0225540697574615
2012	-0.15608711540699
2013	-0.156965881586075
2014	-0.222162052989006
2015	0.0800218656659126
2016	0.0613841451704502
2017	0.0407555475831032
2018	0.262748897075653
2019	0.13084465265274
2020	0.375041097402573
2021	0.250856310129166
2022	0.370331406593323