Year	%
1976	8.448977219162817
1977	4.210917664514803
1978	17.107634581804653
1979	-8.742846964655829
1980	6.334440303267417
1981	24.49742602747615
1982	32.647775933360684
1983	24.08629462480193
1984	15.555915270909905
1985	10.145366347424725
1986	12.197871286073212
1987	11.613960000025878
1988	13.60275329316385
1989	27.019935205719104
1990	30.092994552283457
1991	23.589211707189698
1992	34.15403885034612
1993	31.440414811032813
1994	38.2846468009617
1995	38.994540082751264
1996	49.250161168397895
1997	32.83704372553694
1998	38.936206341246894
1999	45.969194412856716
2000	42.496923958589214
2001	43.20642136272322
2002	93.91507813157779
2003	36.38129894403909
2004	12.32827870376085
2005	12.844585576233818
2006	1.708911128415904
2007	-1.2466705847717818
2008	3.255414291638418
2009	6.138784227511712
2010	4.3304976887030335
2011	-0.08518693593738536
2012	1.632604088914167
2013	3.151231219358864
2014	4.820769320632663
2015	5.448671586366377
2016	7.4005646728390175
2017	7.715045455897105
2018	4.34839377496421
2019	3.0489587798235647
2020	0.22957888375582203
2021	-3.354877574066548
2022	6.351125405406111
2023	8.183682954852202