Year	Number
1996	1.05037176609039
1998	0.742279052734375
2000	0.799652576446533
2002	0.82151585817337
2003	0.679285824298859
2004	0.265973478555679
2005	0.449746280908585
2006	0.547892570495605
2007	0.386217623949051
2008	0.376421362161636
2009	0.40366667509079
2010	0.261260122060776
2011	0.318356364965439
2012	0.364367604255676
2013	0.301189363002777
2014	0.027139762416482
2015	-0.0204964224249125
2016	-0.00878350250422955
2017	0.0262518860399723
2018	-0.1470747590065
2019	-0.42025950551033
2020	-0.443083792924881
2021	-0.396347790956497
2022	-0.349461376667023