Year	%
1976	6.944387121886537
1977	7.639237247857616
1978	7.092680989127287
1979	0.525916094331973
1980	0.751287393305087
1981	-5.683085005695773
1982	7.044690611403304
1983	4.739740263804398
1984	7.587918588790838
1985	1.7265292613425123
1986	4.3852436445278205
1987	2.2645042268090934
1988	7.405764801218705
1989	7.058839804270607
1990	3.7366996121157245
1991	6.282836882768453
1992	4.020735442995687
1993	8.381728041903163
1994	4.591386621104088
1995	5.9002192187213485
1996	5.709560374326447
1997	-38.3765361322397
1998	3.5915743948075947
1999	1.3568826445612514
2000	5.030872342066149
2001	5.626977584454092
2002	1.9618279814707527
2003	4.789804496847
2004	4.748260806574444
2005	0.46228509494855197
2006	4.633431666010076
2007	2.478955429688917
2008	3.95255121214989
2009	6.604831487285735
2010	5.915788915843441
2011	5.9723845342930995
2012	1.3482494266086675
2013	4.928740744352774
2014	1.0630468653358798
2015	-0.5307547374227509
2016	3.0958378432185034
2017	2.8630862889289497
2018	3.776601413482077
2019	-0.3283264970198891
2020	7.071112916400282
2021	5.379496908990868
2022	-0.048941175610192816
2023	-1.969468771320353