Year	annual %
1961	3.74718449396741
1962	5.734415979419836
1963	5.139394923556324
1964	5.712154781305628
1965	3.6319187167598983
1966	3.9751669601353115
1967	3.892331991877768
1968	3.3138998343560644
1969	6.030154201807818
1970	4.992579075173964
1971	4.515683179313342
1972	3.852612492303905
1973	5.62308418794855
1974	0.6595524649709148
1975	-0.6578291172514383
1976	3.6783723301101077
1977	2.509004221492745
1978	4.409330062029397
1979	2.863084570354175
1980	-0.13778757560037036
1981	-0.8698086915419054
1982	1.5499252207336696
1983	0.5597942105351308
1984	0.43000122221887693
1985	1.7265733489772543
1986	4.423416960460585
1987	2.387028764758867
1988	4.541080309517426
1989	3.180567002120128
1990	2.5008133427288755
1991	-0.12640848096707202
1992	1.3312715007538003
1993	-0.7350157645535091
1994	1.662238296395273
1995	1.480791123024531
1996	1.3237219288477036
1997	2.3318729992902263
1998	3.562091131961637
1999	3.608386583756044
2000	2.055981585447171
2001	1.511320781598485
2002	0.047391704960091374
2003	0.3317846695918547
2004	1.8811234389047655
2005	0.8619569951257233
2006	1.595922720268959
2007	2.1195786485926504
2008	-0.31166352927668584
2009	-2.5485920941493134
2010	1.0645677928770425
2011	1.2928695964066037
2012	-0.7270472472375218
2013	0.4729700558424099
2014	0.81293233011381
2015	1.7486705932505657
2016	1.1064914655756581
2017	1.718543313566002
2018	1.1830910374742416
2019	1.609568759860494
2020	-8.718537285758714
2021	7.507490212240711
2022	0.2836442311452174