Year	%
1979	-24.831007503219553
1980	-23.950790533460385
1981	-1.8251906482767053
1982	8.556014069231228
1983	19.430440345093373
1984	8.201300087474753
1985	3.700359208192038
1986	46.20476285326919
1987	-2.636535183263591
1988	3.6465480819731515
1989	10.274615729882774
1990	7.911383616952237
1991	8.648404579179996
1992	6.050035329250681
1993	16.563180304560024
1994	14.319427945511602
1995	3.355883387884767
1996	-5.83446473138293
1997	14.180691434244507
1998	31.492300238802994
1999	-8.068204393226853
2000	-9.6704929718029
2001	16.908070862582242
2002	1.2686069463714134
2003	0.4729365846165836
2004	-5.14911494169832
2005	-11.72097796164686
2006	-6.5395512988465825
2007	4.054288246898383
2008	-9.312048742895321
2009	28.158079749670307
2010	-5.113880201019442
2011	-10.265982405601955
2012	-2.3287494093990957
2013	4.328390994880237
2014	11.825583712861016
2015	40.85973758848498
2016	12.1448743454867
2017	-9.92502467033446
2018	-5.797168429758249
2019	5.303563486979263
2020	26.16990500762306
2021	-18.805305472034764
2022	-15.750772885917979
2023	15.575716226668707