Year	Number
1996	-0.570219933986664
1998	-0.662364184856415
2000	-0.660692811012268
2002	-0.877977848052979
2003	-0.794632852077484
2004	-0.84265547990799
2005	-0.825872242450714
2006	-0.895059883594513
2007	-0.953955352306366
2008	-0.917955815792084
2009	-0.961995780467987
2010	-0.949312686920166
2011	-0.893715918064117
2012	-0.891339302062988
2013	-0.812407910823822
2014	-0.8365478515625
2015	-0.862045407295227
2016	-0.737471163272858
2017	-0.669614672660828
2018	-0.81227046251297
2019	-0.77734512090683
2020	-0.679471909999847
2021	-0.884373903274536
2022	-1.03581631183624