Year	%
1981	-3.6628790012157504
1982	-2.136633296490268
1983	4.254206947083899
1984	0.9715649612346531
1985	3.1296677525155046
1986	9.540650904673296
1987	5.237109578409402
1988	1.0169795790914644
1989	14.060752511041159
1990	-12.010518753123133
1991	11.387553837716313
1992	3.009487537541071
1993	-1.048505493488896
1994	-10.502887515238108
1995	4.5291530018263
1996	2.9920519609265464
1997	5.709652654371137
1998	2.5616277142495716
1999	5.91326893616102
2000	4.522841873816588
2001	0.08461494945884988
2002	-1.1494553015208668
2003	-12.620104587753435
2004	6.010979454954946
2005	-1.3092278222059135
2006	-0.16341921573553755
2007	-1.1842747324682763
2008	1.4759468378190255
2009	5.0475654754566435
2010	12.470412083473953
2011	8.323860534755125
2012	6.331583252034383
2013	8.22833921731509
2014	6.983413886351996
2015	6.889235487450308
2016	9.721364579639793
2017	7.914122900795615
2018	2.680172810033045
2019	9.239167930648666
2020	12.169850209230967
2021	11.302635352285906