Year	Number
2004	-0.547031044960022
2005	-0.517274618148804
2006	-0.63741809129715
2007	-0.448314130306244
2008	-0.447413116693497
2009	-0.34418773651123
2010	-0.287022441625595
2011	-0.328386217355728
2012	-0.386265456676483
2013	-0.3854601085186
2014	-0.00578122492879629
2015	-0.35834863781929
2016	-0.326938450336456
2017	-0.254914045333862
2018	0.191767975687981
2019	0.205689504742622
2020	0.275348663330078
2021	0.303419291973114
2022	-0.16647757589817