Year	annual %
1961	9.787602229454933
1962	-0.8240296454921463
1963	3.2961720404831567
1964	13.103426311197126
1965	12.894923066810932
1966	-3.2063652270570344
1967	-0.3244136401709028
1968	3.3973753656276955
1969	6.5223846924120465
1970	8.612127403872336
1971	-0.5665354218851206
1972	10.001887046742965
1973	10.62811418825109
1974	17.72789836381361
1975	15.287231289799223
1976	17.269578168529648
1977	10.370077176244521
1978	12.309383157020363
1979	15.677010097580862
1980	89.60002150048086
1981	19.69213651999158
1982	28.433007132162857
1983	36.471158182429065
1984	71.60840156172077
1985	28.018124271679653
1986	39.06042672840579
1987	29.70612393875939
1988	63.93231720781691
1989	102.70446758138601
1990	215.8302055395431
1991	35.52901400501952
1992	25.000504388262485
1993	54.66348701389842
1994	55.814745341715536
1995	31.49999692985125
1996	29.932376300312256
1997	33.61110659763355
1998	21.955645181208652
1999	14.387686304341884
2000	14.609798316711831
2001	8.243386689006059
2002	7.720466710519986
2003	6.279473377540242
2004	6.795617611949069
2005	16.063802061627513
2006	-6.8677659989198645
2007	3.5171702197256565
2008	2.059889885612563
2009	2.3761317242306603
2010	-15.34690230504333
2011	-2.887798055958754
2012	-2.0560444164796507
2013	27.109903955037183
2014	9.29347922199284
2015	6.899269665930504
2016	3.036385088559996
2017	2.1267642838698464
2018	1.009048800007733
2019	14.897802940354083
2020	3.0636699935058687
2021	4.585196642849198
2022	6.5334512527174695
2023	10.214669122128711