Year	annual %
1961	0.5349285205061136
1962	0.5716186813495767
1963	2.116457516169305
1964	2.8242852366138465
1965	0.620057280965014
1966	1.2776320615814427
1967	2.5886728485992876
1968	0.5641177681652749
1969	1.2081923381484785
1970	3.4224377869879845
1971	2.9033395361679766
1972	4.998020937810679
1973	8.542225790571933
1974	11.611379758001078
1975	9.382834473046643
1976	4.5345118776278355
1977	4.656795341906218
1978	7.921356425142918
1979	9.245217951496912
1980	10.14050469048577
1981	3.6421656123921196
1982	4.871684951661351
1983	7.496956847108407
1984	1.6292632422830735
1985	0.8095652198073964
1986	0.33844938626683074
1987	2.2893026516840536
1988	-0.1919291681147257
1989	-1.2765581958342267
1990	0.5652053752414048
1991	0.49279633082677776
1992	5.061059509331173
1993	3.5547047307799176
1994	3.6797454101237435
1995	0.46670710183605024
1996	-0.9423837804938131
1997	1.6088390325678148
1998	0.997519102698746
1999	0.8423869507882671
2000	-1.2481818624538477
2001	1.028214080687846
2002	1.6713358456605505
2003	1.1313642557216639
2004	1.9650045387153767
2005	1.7483213498389745
2006	1.9699847513745823
2007	4.824940187699525
2008	7.527495050031135
2009	6.470960113043603
2010	2.5901539464769456
2011	5.8440989281363045
2012	6.175970021751027
2013	5.504170404683677
2014	4.1978893257403485
2015	2.4787689050220507
2016	2.0021087010961622
2017	1.729147547578691
2018	4.339912254612727
2019	0.31525086650722756
2020	-0.550968761620453
2021	1.9353128597231546
2022	2.4494036660911718
2023	1.535415763802959