Year	annual %
1961	2.1833940033380657
1962	1.421741645426394
1963	2.681495252046304
1964	5.641909703128192
1965	3.5482064961719146
1966	1.829021024141042
1967	3.099622833784707
1968	4.606062725783346
1969	4.123870278561313
1970	5.670460211499261
1971	3.311808268257437
1972	4.617808930914123
1973	4.64251200059249
1974	4.3546937206986485
1975	0.03229128981270435
1976	4.737260678435646
1977	1.6448912032606415
1978	-0.8783179775214052
1979	1.7352766177042014
1980	0.8768878173214887
1981	0.991666619488484
1982	-2.5677639409103676
1983	-2.2912568531484396
1984	-0.39137321541996073
1985	-1.4690586429485677
1986	0.03907583146404647
1987	0.20593414132281396
1988	1.1386009608528695
1989	-0.04394197505112629
1990	2.921598972894742
1991	2.4155608097227343
1992	1.803473529476335
1993	1.2899265809349885
1994	1.382004408965102
1995	0.4474246122935739
1996	3.615349976509748
1997	2.7340849173538118
1998	0.5000266720576008
1999	0.1874667545165778
2000	2.4954699960838127
2001	-0.8198359586690032
2002	-0.008346583925103346
2003	3.542571339981876
2004	4.373430764006002
2005	4.128389411228838
2006	4.3278593893384
2007	4.006034659254112
2008	1.8593995509383063
2009	-0.8820374650424156
2010	4.888186148171059
2011	3.3359692575472053
2012	2.680741868620146
2013	2.5961212260986315
2014	2.6782410590686254
2015	2.976705992579326
2016	3.015151574539459
2017	3.2686679718481884
2018	2.5112196757987704
2019	1.1227608949117212
2020	-5.496856761930502
2021	6.457692459247696
2022	4.476205206571464
2023	2.88310399601626