Year	Number
1996	0.644922494888306
1998	0.65214592218399
2000	0.872710645198822
2002	0.834610283374786
2003	0.834165394306183
2004	0.623478174209595
2005	0.570550501346588
2006	0.567707121372223
2007	0.593567669391632
2008	0.629704236984253
2009	0.670539855957031
2010	0.680927038192749
2011	0.674052000045776
2012	0.750935077667236
2013	0.792424201965332
2014	0.159695938229561
2015	0.213033154606819
2016	0.166600421071053
2017	-0.241829127073288
2018	-0.269048988819122
2019	-0.253151446580887
2020	-0.126706585288048
2021	-0.120851926505566
2022	-0.0970938131213188
