Year	Number
1996	-0.313254147768021
1998	-0.0368786565959454
2000	-0.204128161072731
2002	-0.178975060582161
2003	-0.147018894553185
2004	-0.221789807081223
2005	-0.0164202656596899
2006	-0.134328275918961
2007	0.106631629168987
2008	0.0476356446743011
2009	0.0282764304429293
2010	0.0709009245038033
2011	0.189581170678139
2012	0.205686181783676
2013	0.205970302224159
2014	0.318069517612457
2015	0.15983173251152
2016	0.0182069055736065
2017	-0.0352476872503757
2018	0.0622235201299191
2019	0.0599960312247276
2020	0.068197175860405
2021	0.0356624871492386
2022	0.0647772029042244