Year	%
1976	2.361807380319312
1977	1.2165935494236109
1978	-10.184417803828529
1979	-1.6620537846355046
1980	-2.244248960409479
1981	7.148892158869527
1982	7.4999407032947065
1983	0.007327128872532373
1984	-12.79070918778532
1985	-2.8110522720002864
1986	0.3774819353169695
1987	13.19593007823868
1988	11.722091010642686
1989	11.433983943206464
1990	4.302950752985782
1991	-8.57405786212888
1992	-9.512396710059459
1993	-5.9518011154683395
1994	13.996368589066568
1995	14.689892677061914
1996	17.63412731637705
1997	21.21680818780765
1998	19.002861211397473
1999	18.7894494381255
2000	11.539551503671474
2001	11.873149924883778
2002	8.633558838739422
2003	6.506314027566456
2004	4.677446368813159
2005	5.285866926150102
2006	8.079424040398262
2007	5.279057527715021
2008	2.8878167704986963
2009	4.276962292401511
2010	9.69328443234426
2011	12.96180043847488
2012	10.374562390372867
2013	8.578676322390299
2014	9.620375908249887
2015	9.677050802279926
2016	11.297487903295895
2017	7.841678201212755
2018	8.66801756353355
2019	9.513194464935696
2020	8.309335382474009
2021	3.786210139138414
2022	-1.2347761895545948
2023	-0.031236102764016317