Year	%
1989	-19.153449563546232
1990	21.16039869145768
1991	-6.531972113636736
1992	-28.98590859550833
1993	3.0344908964582555
1994	14.84184474451072
1995	12.659878622915896
1996	23.06925463624855
1997	7.8381767637066755
1999	18.51498373639715
2000	20.670411182638336
2001	19.00416045914324
2002	11.114353841506832
2003	11.66594611440405
2004	12.193543974622
2005	11.827843241889946
2006	9.29737692053858
2007	6.906533193766565
2008	2.2605863711326952
2009	-0.6494180074955681
2010	7.713429521597413
2011	4.431035601245212
2012	-0.22038692899434745
2013	4.6499846607907935
2014	7.161348674116287
2015	3.6338320789192546
2016	7.414932182803562
2017	5.396472990868043
2018	3.385546528583441
2019	6.166022462039918