Year	Number
1996	-0.308262526988983
1998	-0.285827130079269
2000	-0.12271223962307
2002	-0.0733143463730812
2003	0.0807505175471306
2004	0.0419803410768509
2005	0.110850624740124
2006	-0.0462311990559101
2007	0.0170538369566202
2008	0.120269671082497
2009	0.15986967086792
2010	0.159661039710045
2011	0.0248203855007887
2012	0.0990875139832497
2013	0.0796888396143913
2014	-0.00610490515828133
2015	0.00483204424381256
2016	0.0645687580108643
2017	-0.0176865961402655
2018	-0.0908822640776634
2019	-0.088528037071228
2020	0.249401479959488
2021	0.32376030087471
2022	0.418585479259491