Year	Number
1996	-0.998565018177032
1998	-0.970211029052734
2000	-0.962091505527496
2002	-0.674768149852753
2003	-0.693807721138
2004	-0.864246010780334
2005	-0.887240290641785
2006	-0.700171768665314
2007	-0.691559910774231
2008	-0.77248740196228
2009	-0.812594294548035
2010	-0.786249220371246
2011	-0.80391651391983
2012	-0.781551659107208
2013	-0.731784343719482
2014	-0.58658766746521
2015	-0.770183980464935
2016	-0.70620983839035
2017	-0.710999250411987
2018	-0.851346492767334
2019	-1.05786526203156
2020	-1.20799458026886
2021	-1.30969882011414
2022	-1.2444132566452