Year	Number
1996	-0.234503835439682
1998	-0.136477410793304
2000	-0.35938173532486
2002	-0.15993432700634
2003	0.0291865784674883
2004	0.0407909713685513
2005	0.16971929371357
2006	0.00639618607237935
2007	-0.0730612650513649
2008	-0.0295159611850977
2009	0.0278358180075884
2010	0.026093240827322
2011	0.16711214184761
2012	0.130694985389709
2013	0.0606060847640038
2014	-0.106807962059975
2015	-0.0382289066910744
2016	-0.138907715678215
2017	0.0820363312959671
2018	-0.0367385223507881
2019	0.118470922112465
2020	0.169862180948257
2021	0.0657853037118912
2022	-0.0659129694104195