Year	Number
1996	0.830568552017212
1998	0.856274604797363
2000	0.301403164863586
2002	0.473941057920456
2003	0.45265343785286
2004	0.389960020780563
2005	0.386921286582947
2006	-0.0340580493211746
2007	0.0618767961859703
2008	-0.0669486746191978
2009	-0.272885650396347
2010	-0.190827518701553
2011	-0.0712881982326508
2012	-0.0677748322486877
2013	-0.0510276891291142
2014	0.553164601325989
2015	0.569660663604736
2016	0.897029459476471
2017	0.586045205593109
2018	0.833207309246063
2019	0.779773771762848
2020	0.661915123462677
2021	0.724108815193176
2022	0.764339506626129