Year	annual %
1961	-11.167245992205011
1962	5.3203318896759555
1963	4.605635504395053
1964	0.9017260896464734
1965	-1.9968709953214727
1966	10.21791234236386
1967	-0.6761517589351058
1968	3.7828837850896377
1969	3.796425183277634
1970	-8.258251999852504
1971	17.806173623246792
1972	13.049680832212232
1973	2.2658204000268114
1974	0.569869207118785
1975	-2.42803674515298
1976	-1.1083518457242576
1977	5.886681348926672
1978	3.2979860209810425
1979	3.9419155058389492
1980	1.8965071385522094
1981	0.07143038857198292
1982	-2.140265484126843
1983	-2.3799538629123163
1984	-1.954638258977198
1985	0.5526734375046516
1986	3.4099288550627733
1987	2.278306226985478
1988	2.5493552516818454
1989	1.128558915655887
1990	0.7082298939304223
1991	-1.767740165400852
1992	-3.766723222185135
1993	-2.5560334283153594
1994	-0.28086993951004047
1995	1.5138815890832262
1996	1.3659344374874252
1997	-2.1766132876094844
1998	0.5495893758557884
1999	-0.5206929892078591
2000	-2.2908937140500854
2001	0.6837185998811037
2002	-2.457538570833563
2003	-0.07711260260289521
2004	2.0086928804448974
2005	2.8007234201364355
2006	3.35188977379228
2007	3.7282567431863356
2008	-2.70944940440107
2009	0.29317394668173336
2010	5.056390900119112
2011	2.366419734897434
2012	1.9604009872781631
2013	1.326292506597639
2014	2.6381899295034827
2015	2.6833174250999576
2016	1.943668144202789
2017	1.603146616195744
2018	3.522084435155776
2019	3.0549578495191696
2020	-2.256979502744443
2021	5.520436304220368
2022	2.8635712107788436
2023	3.372619514044999