Year	Number
1996	0.307362526655197
1998	0.300509363412857
2000	0.279316157102585
2002	0.456945925951004
2003	0.682984054088593
2004	-0.170285999774933
2005	0.453918278217316
2006	0.190891683101654
2007	0.0125429145991802
2008	-0.0504114329814911
2009	-0.00688371155411005
2010	-0.0176499783992767
2011	-0.0815465152263641
2012	-0.131280049681664
2013	-0.11013201624155
2014	-0.268454760313034
2015	0.134930491447449
2016	-0.0907235071063042
2017	0.0108926389366388
2018	0.019313707947731
2019	0.0288456808775663
2020	0.0210380405187607
2021	0.00621102703735232
2022	0.327582836151123