Year	Number
1996	0.809140563011169
1998	0.876508176326752
2000	0.839712262153625
2002	0.83394581079483
2003	0.833284139633179
2004	0.604025423526764
2005	0.750548362731934
2006	0.885014533996582
2007	0.810023128986359
2008	0.399890422821045
2009	0.142270758748055
2010	0.0618624016642571
2011	0.121154494583607
2012	0.182903423905373
2013	0.229458466172218
2014	-0.10500081628561
2015	-0.154481679201126
2016	0.298903852701187
2017	0.600542306900024
2018	0.576801478862762
2019	0.817287027835846
2020	1.00946378707886
2021	0.88403844833374
2022	0.622418999671936