Year	Number
1996	-1.12648820877075
1998	-1.04127037525177
2000	-0.885791599750519
2002	-0.990891993045807
2003	-1.1009407043457
2004	-1.06209850311279
2005	-1.04830694198608
2006	-1.09776103496552
2007	-1.12104868888855
2008	-1.12228560447693
2009	-1.01313829421997
2010	-0.944123864173889
2011	-1.03141474723816
2012	-1.08391964435577
2013	-1.09392821788788
2014	-0.9560786485672
2015	-0.953765869140625
2016	-1.03135430812836
2017	-1.07628786563873
2018	-1.07546639442444
2019	-1.10003507137299
2020	-1.09968292713165
2021	-1.10979080200195
2022	-1.12713825702667